Poster Defense Session and Mentorship Awards (hidden) Sessions

(101) The Answer is Blowin’ in the Wind K. Levett · C. Wasko · A. Diwan

(102) "Unraveling the Mystery: Tissue PCR Unveils Tuberculosis Diagnosis in BCG induced Lupus Vulgaris." T. Almutairi · A. Nanda

(103) A Case of Granulomatous Dermatitis Caused by a Previously Undescribed Species of Nontuberculous Mycobacterium. M. Aming · Y. Leonid · T. Truong · J. Yuan · T. Warkentien · N. Smith

(104) A Case of Lepromatous Leprosy with Lucio Phenomenon Associated with Antiphospholipid Antibodies Y. Chen · X. Yao · W. Yan · L. Wang

(105) A Tale of Two Presentations: Divergent Manifestations of Blastomycosis A. Dabaghian · A. Rothrock

(106) Disseminated Histoplasmosis mimicking widespread Molluscum Contagiosum S. Han · S. Newman · S. Raghavan

(107) Fungal degeneration generating minimal differential effects between PAS and GMS staining of Aspergillus and Trichophyton A. Hebert · a. wang · A. Kadi · G. Love

(108) A rare case of widespread noduloulcerative granulomatous secondary syphilis K. Jiang · J. Kilgore · A. Coulon · G. Garib · A. Walker

(109) Methicillin-resistant Staphylococcus aureus secondary infection of leukemia cutis K. Lam · K. Cheng · G. Gates · J. Pierce

(110) Molecular identification of leprosy-associated Mycobacteria by multi-locus PCR in clinical samples G. Olson · K. Deveaux · J. Simmons · J. Lieberman

(112) Porokeratosis Pedis: Tinea pedis and its affection for the cornoid lamella. Z. Ramsey · J. Su · L. Davis · M. Powell

(VIRTUAL) THE MISLEADING SYPHILIS: TWO CASES MASQUERADING AS LYMPHOMAS H. Salah · V. Prieto · W. Cho · C. Torres-Cabala · V. Lenskaya

(114) Cutaneous Acanthamoeba as a Single Organ Disease with Various Histomorphologic Findings in Immunocompromised Patients: Two Cases with Similarities and Differences N. Siddiqui · B. Wu · L. Gunnell · O. Chang

(115) Hand, Foot, and Mouth Disease in an Immunocompetent 35-year-old Male P. Sulejmani · V. Ehyaee

(116) Sarcoidal granulomas without pseudoepitheliomatous hyperplasia: An unusual presentation of Coccidioidomycosis C. Sun · M. Seely · C. Smith · N. Bender

(117) Syphilitic alopecia masquerading as alopecia areata T. Wu · T. Bullock · M. Piliang

(118) Herpes zoster infection presenting as non-healing ulcerated lesions in an immunocompromised patient T. Wu · D. Frew · S. Akhtar · A. Fernandez · W. Bergfeld · M. Piliang

(119) A case of Löfgren's syndrome in a 54-year-old Hispanic female P. Adams · V. Ehyaee

(120) Cutaneous Malakoplakia – A potential diagnostic pitfall A. Almashad · S. Shalin

(121) Isolated perianal erosive lichen planus A. Al-Tarawneh

(122) Neutrophilic Dermatosis of Dorsal Hands: A Case Report and Comprehensive Clinical Evaluation H. Armani · H. Weatherly · S. Dadras MD-PhD · A. Deng · P. O'Donnell · Z. Elaba

(123) MPO-positive mononuclear cells as a clue to VEXAS syndrome J. Bardell · R. Brown · A. Saleem

(124) A Unique Case of Skin Limited IgG4-Related Disease A. Bohmer · S. Vangapandu · S. Krishnamurthy

(125) Ring mitoses as clue to distinguish taxane-induced photodermatitis from taxane-induced subacute cutaneous lupus erythematosus N. Bourand · S. Pei

(126) A case of fatal toxic epidermal necrolysis-like blistering dermatosis from enfortumab vedotin C. Brumfiel · L. Oyesiku · J. Gill · L. Dang · M. Shinohara · C. Crimp · J. Hanson

(127) A case of herpes zoster granulomatous dermatitis C. Brumfiel · B. Jones · K. Garton · C. May

(128) A Rare Encounter: Diagnosing Generalized Eruptive Histiocytoma M. Cavanagh · L. Hamilton · A. Jimenez · B. Goodwin

(130) Rheumatoid Vasculitis: Concomitant Vasculitis and Vasculopathy as Key to Diagnosis D. Cole · M. Chan

(131) Epstein Barr Virus-Induced Reactive Infectious Mucocutaneous Eruption in an Adult Male G. Cornell · S. Ibad · J. Hanson · S. Mehrmal · J. Fehlman · N. Burkemper

(132) Interface dermatitis in polymorphous light eruption A. Desrosiers · S. Tolkachjov · T. Ferringer

(133) Photodistributed cutaneous collagenous vasculopathy: A diagnostic challenge K. Erickson · B. Rohr

(135) Cutaneous IgG4-related disease with obliterative phlebitis presenting as a solitary tumor on the lower extremity T. Freeman · D. Anand · K. McKay

(136) Reactive angioendotheliomatosis with intravascular histiocytosis: A case associated with chronic neutropenia and thrombocytopenia C. Gabel · R. Westone · K. Yim · S. Khedr · J. Reimann · A. Deng · P. O'Donnell · Z. Elaba · J. St. John

(137) Interstitial granulomatous dermatitis associated with copper infusion A. Gilmore · K. Braudis · J. Hirner

(138) Histopathology of a granulomatous tattoo reaction in the setting of immune checkpoint inhibitor therapy A. Gochoco · J. Goldsmith

(139) Histopathologic Features in a Vancomycin-associated DRESS Cohort H. Haberecht · R. Ziebart · O. Iverson · A. Todd · A. Alavi · E. Johnson

(140) Vesicular Pemphigoid A. Hetzler · A. Desrosiers · J. Junkins-Hopkins

(141) Miescher radial granulomas: a forgotten clue to Sweet syndrome G. Hingtgen · C. Purvis · C. Sun · K. Motaparthi

(142) An atypical presentation of bullous SLE: a diagnostic challenge R. Jiang · A. Zhou · J. Gelhausen · M. Girardi · M. Tomayko · C. Ko

(143) PD-L1-inhibitor-induced hidradenitis suppurativa A. Jin · K. Steele · E. Chu

(144) A case of lichen slcerosus sine sclerosis with widespread vulvar melanosis Y. Kaku · E. Katayama · T. Nakama

(145) THE HISTOPATHOLOGIC SPECTRUM OF EOSINOPHILIC GRANULOMATOSIS WITH POLYANGIITIS (EGPA) AND ITS ROLE IN PREDICTING THE CLINICAL PHENOTYPE OF EGPA T. Kalomeris · C. Magro

(146) A case of peristomal pyoderma gangrenosum with histological features of pseudoxanthoma elasticum. K. Kimball · N. Ryan · M. Franklin

(147) Quantifying mast cell and eosinophil cellular density in skin biopsy tissue from adults with maculopapular cutaneous mastocytosis as compared to urticaria and normal skin: a retrospective histopathologic study A. King · C. Montagnon · A. Todd · C. Wieland · J. Lehman · E. Johnson

(148) Chronic Zinc Deficiency Resulting in TEN H. Koster · B. Zelman · J. Speiser

(149) Intravascular Histiocytosis: A Clinicopathologic Study of 3 Cases E. Kowalski · E. Bayraktar · S. Billings

(150) Xylazine-induced skin ulceration - eccrine gland necrosis as a diagnostic clue I. Lerman · J. D'Angelo · A. Franco · K. Mannava

(151) VEXAS syndrome: pre- and post-treatment histologic findings N. Lewandrowski · Z. Elaba · H. Armani · A. Mollaeian · G. Rana · M. Rashighi

(152) Hydroxychloroquine-induced Symmetric Drug-related Intertriginous and Flexural Exanthema S. Li · P. Halloran · T. Evans · A. Siref

(153) Erythrodermic sarcoidosis: a rare paraneoplastic presentation S. Majewski · M. Wilson · R. Larson · A. Hamilton

(154) The “Naked” Truth: Sarcoidosis Masquerading as Metastatic Cervical Cancer F. Manafi · N. Papac · C. Cook · J. Levin · N. Asadbeigi · J. McBride

(155) An Unusual Case of Kimura Disease with Concurrent Rash and Eosinophilic Lung Disease - A Case Report and Literature Review J. Marrero Berrios · M. Chaum · E. Morgan · G. Caponetti

(156) Brunsting-Perry Pemphigoid in a Patient with Human Immunodeficiency Virus S. Moore · C. Halverstam · U. Khanna · Y. Oprea

(157) Pseudoglucagonoma Syndrome Presenting with Necrolytic Migratory Erythema M. Newsome · M. Powell · K. Potter · E. Coulanges

(158) The Histopathological Findings of a Cutaneous Presentation of Chronic Granulomatous Disease R. Obid · D. Mais

(159) Hidradenitis suppurativa and cutaneous Crohn Disease: A clinicopathologic challenge M. Parke · C. Sun · K. Motaparthi

(160) Case report for lichen planus follicularis tumidus, a rare variant of lichen planus. R. Pisano Rubio · N. Brinster · M. Tassavor

(161) Livedoid Vasculopathy of the Face Mimicking Basal Cell Carcinoma A. Qureshi · D. Scott · G. Murphy

(162) Granulomatous Pigmented Purpuric Dermatosis: A Case Report M. Rames · E. Johnson · J. Link

(163) Recalcitrant umbilical rash in an adult female patient J. Robertson · C. Nguyen · B. Keeling

(164) Lichen-planus-pemphigoides-like reaction to PD-1 checkpoint inhibitor for breast carcinoma A. Rosenfeld · N. Dickey · A. Fong · J. Lee

(165) Arthropod Bite Clinically Simulating a Proliferative Nodule in a Congenital Melanocytic Nevus H. Ross · M. Hogeling · C. Smart

(VIRTUAL) Concurrent manifestation of Erythema Multiforme and Erythema Dyschromia Perstans: A Case Report R. Sandeep

(167) Intravascular Histiocytosis: A Clinical and Histopathologic Mimicker M. Shenk · J. Forcucci · D. Elston · D. Duff

(168) A Case of Unique Drug Eruption Associated with Dual Therapy of Enfortumab Vedotin and Pembrolizumab Y. Suemitsu · B. Block · C. Powers · L. Zhou · G. Niedt · N. Gulati

(169) Neutrophilic Dermatosis of the Dorsal Hands: From Misdiagnosis to Treatment S. Tahir · E. Delaney · M. Piliang

(170) Cutaneous Manifestations of Epstein-Barr Virus C. Truong · S. Orlow · A. Flamm

(171) The role of innate immunity in the development of Steven’s Johnson syndrome/toxic epidermal necrolysis (SJS/TEN): a case of neutrophil-rich SJS/TEN C. Truong · L. Akintilo · A. Flamm · S. Meehan

(172) Persisting Rash and Polyarthralgia in a Pediatric Patient: A Case of Post-Streptococcal Cutaneous Polyarteritis Nodosa N. Vienneau · A. Rothrock

(173) A Case of Bullous Pemphigoid in Acute Myeloid Leukemia C. Wilkowski · K. Hurst · T. Sharma · K. Honda

(174) Small Lymphocytic Lymphoma Presenting as a Nasal Skin Lesion M. Awais · A. Velasquez-Evers · J. Lam

(175) Site-discordant expression of myeloid cell nuclear differentiation antigen in blastic plasmacytoid dendritic cell neoplasm P. Bulterys · A. Saleem · R. Brown · R. Novoa · K. Rieger · Y. Natkunam · S. Fernandez-Pol

(176) A case of unilesional hyperpigmented mycosis fungoides treated with localized electron beam C. Choi · B. Kim · K. Paik

(177) Cutaneous Extramedullary Hematopoiesis in Chronic Myeloid Leukemia: an uncommon presentation P. Christie-Nguyen · B. Mai · J. Armstrong

(178) Pathologic features of mycosis fungoides with JAK2 fusions; a case series M. Do · A. Moy · S. Geller · L. Donnelly · L. Lavin · P. Myskowski · M. Pulitzer

(179) ERG-positive Myeloid Sarcoma Mimicking Cutaneous Angiosarcoma I. Espinal · R. Brown · D. Gratzinger · S. De Lancy

(180) Leukemia Cutis Involving Bilateral Subungual Toes and Right First and Second Fingers N. Frederickson · M. Gwynne · J. Forcucci

(181) Folliculotropic mycosis fungoides in a 4-year-old child mimicking atopic dermatitis: A rare case G. Ghafari · J. Junkins-Hopkins · B. Tjarks

(182) Lymphoid reaction to dupilumab R. Gibson · E. Boh · C. Bitar

(183) Cutaneous T-Cell Lymphoma Like Eruption from Trimethoprim-sulfamethoxazole A. Guillory · N. Gallaga · C. Bitar · A. Murina

(184) A Potential Diagnostic Pitfall for Primary Cutaneous Follicle Center Lymphoma - Large Cell Variant P. Hwaung · a. wang · A. Kadi

(185) Exanthematous drug eruption with extreme reactive T-cell atypia in a patient with accelerated chronic lymphocytic leukemia Z. Jaeger · S. Dong · B. Hinds

(186) Cutaneous metastatic pleomorphic mantle cell carcinoma mimicking metastatic breast carcinoma Z. Jaeger · B. Hinds

(VIRTUAL) Adult onset xanthogranuloma with KRAS mutation K. Jerew · C. Elston · A. Ravindran · P. Pavlidakey

(188) Expect the Unexpected: A Rare Case of Superficial CD34+ Fibroblastic Tumor A. Jimenez · L. Hamilton · A. Linfante

(189) Multiple adult xanthogranuloma associated with chronic myelomonocytic leukemia H. Dai · M. Kerr · A. Cardones · S. Ye · W. Cui

(VIRTUAL) AML Leukemia Cutis Presenting with Hyperpigmentation to Sun Exposed Sites M. Lawson · K. Riegelman · W. Schaffenburg

(191) When a Cyst is not a Cyst: A Unique Initial Presentation of Multiple Myeloma M. Lee · A. Flamm · X. Huang · G. Jour · A. Moshiri · M. Shvartsbeyn · M. Occidental

(192) Rapidly Progressive Panniculitis Developing in A Young Adult Hospitalized for Pancytopenia X. Li · R. Mann · B. Wu · B. Amin

(193) A Rare Case of Primary Cutaneous Peripheral T-cell Lymphoma, NOS: An Entity with Uncertain Biologic Potential H. Mahurin · A. Schachtel · Z. Dong · O. Chang

(194) Folliculotropic Mycosis Fungoides with CD30 Positive Large Cell Transformation Preceded by Dissecting Cellulitis of the Scalp J. Miles · J. Seykora · J. Chung · E. Kim · S. Barta · R. Micheletti

(195) A Case of Aggressive Peripheral T-cell Lymphoma Arising During Treatment of Psoriasis with Ixekizumab S. Money · Z. Ramsey · K. Kemple · L. Davis · M. Powell

(196) A case of granulomatous slack skin M. Munoz de Toro · M. Candiz · M. Coringrato · V. Leiro · E. Maronna

(197) Dendritic/histiocytic transdifferentiation of a high-grade B-cell lymphoma M. Munoz de Toro · V. Masatkar · H. Blankenship · W. Morrow · C. Ahn · O. Sangueza · D. Maracaja

(198) Utility of fluorescence in situ hybridization to detect JAK family fusions in cutaneous T-cell lymphoma/lymphoproliferative disorders S. Nocco · T. Zhou · H. Wang · A. Moy · M. Lim · S. Geller · Y. Zhang · M. Pulitzer

(199) Cutaneous mastocytosis as a clue for underlying hematologic malignancy: An unusual case of systemic mastocytosis with an associated myeloid neoplasm M. O'Connor · N. Elkady · N. Farhoud · M. Stoieva · W. Liakos · A. Badawi

(200) TYK2-rearranged primary cutaneous T-cell lymphoma/lymphoproliferative disorder with novel (variant) fusion partners appear distinct from NPM1::TYK2 fusion positive CD30+ lymphoproliferative disorders M. Pulitzer · T. Zhou · Y. Zhang · S. Geller · A. Moy

(201) Lymphomatoid papulosis with DUSP22/IRF4 gene rearrangement and an unusual gamma-delta T cell phenotype A. Regmi · R. LeBlanc · S. Yan · A. Sriharan · J. Cloutier · G. Duprat · S. Momtahen

(202) A Rare Case of CD20-Positive Primary Cutaneous T-Cell Lymphoma, NOS, With an Aggressive Clinical Course D. Rinck · R. Willim · C. Iriarte · M. Chang

(203) Coexistent large cell transformation of mycosis fungoides and development of diffuse large B-cell lymphoma in a single patient J. SURIANO · T. Rohan · V. Tekmen · S. Bhatti · D. Joffe · J. Lee · O. Alpdogan · N. Nikbakht

(204) CLL/SLL Masquerading as TILs : A Case of Synchronous Melanoma and Leukemia Cutis R. Macedo · C. Ricotti · S. Bhavsar · S. Ronen · S. Billings · M. Piliang

(205) Erythrodermic Angioimmunoblastic T-cell Lymphoma: A Case Report Highlighting Diagnostic Challenges and Insights from Lymph Node Excisional Biopsy L. Tello · Z. Wolner · P. Allen

(206) Flow cytometric analysis of blood stage in cutaneous T-cell lymphoma is associated with skin disease burden P. Trimark · L. Fu · V. Quan · J. Guitart · K. Wolniak

(207) Persistent cutaneous plasma cell infiltrates: an illustrative case highlights diagnostic and clinical differences between plasmacytoma, plasmacytosis, and reactive plasma cell-rich infiltrates in the skin S. Vontela · J. Markidan · T. Helm · M. Ioffreda · A. Schneider · K. Helm

(208) The Incidence and Impact of Invasive Melanoma Subtypes in Iceland 1955-2023 J. Adalsteinsson · A. Ahmed · O. Alani · E. Haraldsdóttir · D. Hoyt · S. Thomas · A. Piontkowski · J. Ungar · N. Gulati · A. Kristjansson · J. Jonasson

(209) A BAP1-inactivated melanocytic tumor with retained BAP1 immunohistochemical staining: a potential diagnostic pitfall N. Admassu · Y. Chiu · M. Saab Chalhoub · K. Wanat · K. Young

(210) Methylation based molecular classifier for melanocytic lesions A. Alame · M. Oshiro · K. Bussey · J. Routh · G. Watts · A. Hum · K. Clancy · G. Hosler · L. Vrba · M. Nelson · R. Bernert

(211) Atypical spitz tumor with an uncommon EHBP1-RASGRF1 fusion: insight into phenotype genotype correlation. B. Batson · J. Ho · A. Karunamurthy

(212) An Incidentaloma Emerges as PLCB4-mutated Blue Melanocytoma S. Bazrafshan · J. Sun

(214) Effectiveness of PRAME Immunocytochemistry for Identifying Metastatic Melanoma in Cytologic Preparations D. Broadhead · N. Choe · K. Hall · G. Williams

(215) A Rare Case of Nevoid Melanoma in a Patient on Long-Term JAK and TNF-α Inhibitor Therapy J. Chapman · J. Shah · K. Krauland

(216) Out of the Blue: A Case of Melanoma Arising in a Blue Nevus A. Cheng · L. Scott · S. Pasternak

(217) Spitz Melanoma with SLC20A1::ALK Fusion: A Novel Fusion Previously Unreported in Spitz Melanocytic Neoplasms W. Cho · V. Prieto · R. Yang

(218) A unique case of BAP1 Inactivated Melanocytoma with HRAS Q61R Mutation K. Dyson · R. Brown · B. Ruben

(219) Congenital Melanocytic Nevus with Focal Atypical Features: A Case Report and Review of the Literature D. El-Rayes · K. Wilson · A. Giubellino

(220) MLPH-ALK Fusion In Pediatric Spitz Nevus: Utilization Of RNA And Methylation In Challenging Spitz Lesions S. Fan · A. Moshiri · A. Flamm · G. Jour · M. Shvartsbeyn

(221) Detection of Copy Number Alteration in key melanoma genes using methylation arrays - a pilot study S. Fan · A. Flamm · G. Jour · A. Moshiri

(222) Prognostic significance of histopathologic melanin pigmentation in cutaneous melanoma D. Gibbs · K. Busam · C. Lezcano · N. Thomas · M. Berwick · I. Orlow

(223) Differential Expression and Prognostic Significance of p16 and MTAP in Melanoma: An Immunohistochemical Study D. Grand · W. Ma · A. Sriharan · S. Yan · J. Cloutier

(224) BAP-1 Inactivated Melanocytic Tumor (BIMT) with retained BAP-1 immunohistochemical staining: A potential pitfall L. Gunnell · V. Wilk · O. Chang · M. Shinohara

(225) Melanoma associated with JAK inhibitor therapy: A clinicohistopathological study L. Heusinkveld · R. Foreman

(226) NRAS-mutated melanocytic nevus with blue nevus-like morphology: a case report T. Hiraki · K. Goto

(227) Characterization of PRAME Expression in Spitz Nevi: A Retrospective Study J. Hyde · J. Lee

(229) What is PRAME? A spatial profiling approach. N. Love · M. KIURU

(230) Spectrum of BAP1-inactivated melanocytic neoplasms: A case series G. Maniam · R. Guo · J. Lehman · E. Johnson · S. Agrawal

(231) The integrated 31-gene expression profile test stratifies recurrence risk within cutaneous melanoma subtypes E. Marks · J. Yoo · S. Arron

(232) Appropriate statistical methods to assess cross-study diagnostic 23-gene expression profile test performance for cutaneous melanocytic neoplasms E. Marks · C. Cockerell · G. Hosler · M. Goldberg · B. Russell · J. Rogers · J. Siegel

(233) Spitz tumor with a novel NME7::ALK fusion J. McAfee · C. Ricotti · S. Billings · J. Ko · S. Ronen

(234) Concordance of nuclear grading of melanoma among dermatopathologists and trainees using the UNC Chapel Hill Method S. McAlpine · S. Srivatsa · V. Lei · M. Melendez-Gonzalez · J. Miedema · P. Googe

(235) Prognostic Value of Nuclear Grading of Cutaneous Melanoma: The UNC Chapel Hill Method S. McAlpine · S. Srivatsa · P. Jones · K. Conlon · M. Gebrekidan · S. Moschos · F. Collichio · J. Sorah · S. Edmiston · K. Conway · J. Miedema · D. Ollila · N. Thomas · P. Googe

(236) Melanocytic neoplasm associated with PRKCB fusion gene: A case report S. Nakazato · N. Otsuka · T. Maeda · T. Yanagi · T. Anan · K. Goto · H. Ujiie · Y. Matsuno

(237) ChatGPT correctly identifies salient clinicopathologic features of atypical Spitz nevi with kinase fusion mutations K. O'Hern · M. Camilleri

(238) Complete Remission of Metastatic Melanoma after One Single Dose of Pembrolizumab: a Case Report D. Ren · T. Tran · W. Chow · D. Barnachea · K. Wei · B. Lee

(239) Nodal blue nevus: case report of a rare entity and potential diagnostic pitfall A. Rudiuk · R. DeCoste

(240) A novel PDZRN3::BRAF fusion as potential driver mechanism in a case of BAP1-inactivated melanocytoma Y. Yu · T. Sabljic · J. Capo-Chichi · Z. Saeed Kamil

(241) A novel VIM::NTRK3 fusion in a case of Spitz melanocytoma T. Sabljic · Y. Yu · C. Wei · Z. Saeed Kamil

(242) AMBRA1 and loricrin expression in the epidermis overlying cutaneous melanocytic lesions other than conventional melanoma. P. Sloan · A. Husain · P. Lovat · G. Richardson · T. Ness · C. Jones · M. Labus · N. Stefanos

(243) Determining and Comparing the Expression of PTEN, BLF-1, And CDK4 In Melanoma. M. Tahir · K. Knowles · T. Phung · S. Shalin · M. Mirzakhani · E. Turbat-Herrer · G. Herrera

(245) Molecularly confirmed metastatic melanoma of Spitzoid features with high tumor mutation burden, DNA mismatch repair deficiency mutation signature and significant response to PD-1 inhibitor T. Tran · R. Guo · G. Nguyen

(246) Characterizing the Use of a Commercial 31-Gene Expression Profile Test for Melanoma Risk Stratification at a Large Referral Center from 2015-2023 M. Tsang · K. Hinz · L. Ferris · A. Karunamurthy · J. Ho

(247) A rare case of invasive acral melanoma with co-amplification of RAF1 and TERT S. Turcios Escobar · M. Warso · M. Braniecki · A. Kajdacsy-Balla · O. Bode-Omoleye · G. Mohapatra

(248) Severely atypical penetrating nevus: utility of molecular findings S. Turcios Escobar · L. Zimmerman · M. Bain · O. Bode-Omoleye

(249) Atypical spitz tumor: benefit of molecular findings S. Turcios Escobar · H. Vemaganti · B. Cahn · P. Storrs · O. Bode-Omoleye

(250) Neurocristic Cutaneous Hamartoma with Unusual, Deep Proliferative Characteristics E. Walker · S. Servattalab · E. Morgan · Z. Elaba · K. Wiss · J. McIntyre

(251) Discordant Immunohistochemical Molecular Correlation in Three Cases of Pediatric Spitz Tumors D. Wu · C. Gestrich

(252) A rare case of a pigmented epithelioid melanocytoma with a SCARB1::PRKCA fusion. Y. Xiong · K. Cornejo

(253) A case of BAP-1 inactivated melanocytic tumor with retained nuclear expression of BAP1 by immunohistochemistry C. Xu · A. Flaman · E. Nohr

(254) Tumor seeding following cryoablation for uveal melanoma: case report of a rare iatrogenic complication E. Zhang · K. Richards · P. Aung

(255) Merkel Cell Carcinoma with Coexisting Squamous Cell Carcinoma: Case Report of Differing PRAME Expression and Response to Checkpoint Inhibitor Therapy C. Abbott · J. McBride · N. Asadbeigi · R. Mhawej · M. Phan

(256) Pediatric Fibromyxoid Tumor with Novel MEG3::PLAG1 Fusion: A Case Report M. Abdelhammed · F. El-Dana · J. Hicks · K. Fisher · M. Fuller

(257) Molecular Features of a Malignant Proliferating Trichilemmal Tumor: Potential Therapeutic Significance M. Abdelhammed · H. Siatecka · A. Diwan · C. Finch · Y. Xu

(258) A case of autosomal dominant multifocal infantile myofibromatosis D. Abreu · A. McEvoy · L. Compton

(259) Unusual Presentation of Primary Subcutaneous Myxoid Liposarcoma A. Alhaidary · J. Do · M. Hussein · N. Shelman · D. Richards

(260) Diagnostic Challenge; Eccrine Carcinoma Arising at the Great Toe A. Alhaidary · J. Do · H. Nebbache · T. Arshad · D. Richards

(261) Diagnostic utility of SMA and PRAME immunohistochemistry for vascular lesions of the breast D. Allison · D. Holliday · C. Prieto-Granada

(262) Distinct Cellular Neurothekeoma Arising in Association with a Nerve Sheath Myxoma M. Azzam · C. Brem · L. Goldberg

(263) Epidermolytic Acanthomas: Why Histopathology Matters in Genital Lesions K. Bailey · L. Compton

(264) Primary Cutaneous Apocrine Carcinoma Presenting as Extramammary Paget’s Disease with Distant Metastasis to the Esophagus D. Barnachea · D. Ren · B. Lee · M. Yamamoto · R. Banker

(265) Hybrid peripheral nerve sheath tumor with PWWP2A::ROS1 fusion E. Bayraktar · V. Ulici · K. Fritchie · S. Billings · J. Dermawan · J. Ko

(266) ERG exon 7 skipping in a low-grade fibroblastic tumor with overlapping features of EWSR1::SMAD3 rearranged fibroblastic tumor E. Bayraktar · M. Shvartsbeyn · G. Jour

(267) ERG to the rescue! EWSR1-SMAD3 rearranged fibroblastic tumor B. Boles · P. Khoshnoodi · E. Pilitsi · J. Pierson · D. Cook

(268) Solitary Cutaneous Xanthogranuloma with DNMT3A Mutation Arising Post Allogeneic Transplant in a T-Cell ALL Patient W. Boothby-Shoemaker · J. Rinck · B. Friedman

(269) Merkel cell carcinoma: A “non-melanoma skin cancer-like lesion” in an organ transplant recipient. L. Borda · S. Choudhary

(270) Basal Cell Carcinoma Overlying a Dermatofibroma in an African American Patient S. Botts · C. Ediale · V. Callender

(271) Pruritic papules and nodules on the trunk and extremities of a patient with myelodysplastic neoplasm J. Bray · J. Jiang · O. Sokumbi

(272) Atypical Cellular Neurothekeoma Recurrence and Transformation in the Elderly at an Unusual Location: A Case Report W. Brinkley · A. Scheiderer

(273) A Rare Presentation of Pseudomyogenic Hemangioendothelioma: Case Report and Diagnostic Approach S. Capen · E. Keung · M. Royer

(274) Primary Extramucosal Goblet Cell Adenocarcinoma Presenting as Paget Disease: A Diagnostic Challenge C. Castaneda · K. Matkowskyj · D. Buehler

(276) Metastatic Epithelioid Sarcoma: Clinical Utility and Peculiarity of Sporotrichoid Presentation S. Chand · B. Lee · J. Smith

(277) Multiple Papules in a Patient with Down Syndrome M. Crocker · C. Li · A. Fortugno · P. Pavlidakey · C. Elston

(279) Pilomatrix Carcinoma: Transformation of a Longstanding Pilomatricoma R. Daniel · J. Sigel

(280) A Rare Case of Neurofibroma-Perineurioma in a 17 year old male without NF-1 mutations S. DeVore · E. Koch · A. Karunamurthy · K. OH

(281) Atypical Intradermal Smooth Muscle Neoplasm Arising in the Lower Eyelid: Case Report with Literature Review J. Do · A. Alhaidary · J. Neltner · D. Richards

(282) A Cytologic Diagnostic Challenge of Pilomatricoma at the Parotid Gland in the Setting of Metastatic Papillary Thyroid Carcinoma J. Do · A. Alhaidary · K. Adams · D. Richards · K. Absher

(283) Spindle Cell Lipoma Arising in the Lower Lip: A case report of a unique clinical presentation D. Duong · J. Peterson · V. Resto · L. Rincon Alzate

(284) A case of NONO::TFE3 cutaneous epithelioid and spindle cell tumor with local recurrence after excision J. Durgin · M. Chan · P. Harms · E. Smith · N. Brown

(285) Rippled-Pattern Sebaceoma: An Unusual Variant and Diagnostic Mimicker of Basaloid Neoplasms A. Egler · M. Clark · M. Kuhar · B. Umphress

(286) Malignant Proliferating Trichilemmal Tumor of the Scalp: A Case Report V. Ehyaee · V. Reddy

(287) Hidradenocarcinoma: Clinicopathological Correlations in 16 Patients and Molecular Alterations in Clinically Aggressive Tumors S. Erem · Z. Wolner · D. Parker · G. Jagannathan

(288) Glomus Tumor of Uncertain Malignant Potential of Extremities: Clinicopathological Study of 14 Patients. S. Erem · J. Gandhi

(289) Pseudoepitheliomatous Keratotic and Micaceous Balanitis – A Poorly Understood Entity H. Eskinder · J. Allbritton · E. Keung

(290) Unlocking Diagnostic Potential: NOTCH-1 Immunohistochemical Staining as a Tool for Assessing Perineural Invasion in Cutaneous Squamous Cell Carcinoma K. Fernandez · B. Zelman · R. Gupta · M. Modi · A. Casillas · H. Koster · J. Speiser

(291) Trichilemmal Carcinoma: A Rare Clinical and Histologic Mimic of Squamous Cell Carcinoma C. Garbanzos · A. Farhood

(292) Cutaneous Carcinosarcoma J. Giessinger · M. Freeman · J. Mo · C. Smart

(293) Congenital melanocytic nevus with SESN3::RAF1 and a lipofibromatosis-like component A. Gilbert · N. Zacher · R. Wieland · K. Rieger · R. Novoa · S. Tan · P. Gerami · R. Brown

(294) Two cases of S100-negative CARS::ALK dermal-based spindled cell neoplasms G. Gjyzeli · V. Quan · A. Anderson · P. Gerami

(295) Substantial Verrucous Lesion on the Scalp C. Gloss

(296) An Odd Lesion in an Odd Location - Carcinoma Cutis of Primary Lung Hyalinizing Clear Cell Carcinoma D. Gustafson · J. Plaza · C. Chung

(297) Epithelioid Variant of Solitary Circumscribed Neuroma: New face of an Old Friend S. Hegazy · C. Torres-Cabala · S. George · R. Rapini · L. He · V. Prieto · P. Aung · J. Curry · W. Cho · P. Nagarajan

(298) A Pseudo-Collision Tumor; Atypical Glomus Tumor and Traumatic Neuroma S. Hegazy · J. Pujals · A. Karunamurthy · J. Ho · R. Naous

(299) Nevus Sebaceus: A Prolific Ground for Developing Secondary Adnexal Neoplasms N. Hegde · P. Khoshnoodi

(300) A Rare Entity: A Unique Presentation of a Malignant Glomus Tumor N. Hegde · R. Nusapan · P. Khoshnoodi

(301) An Unusual Cutaneous Presentation of Tubo-Ovarian Carcinoma N. Hegde · B. Davis · B. Bryant · L. Greene

(302) Multicentric asynchronous endocrine mucin-producing sweat gland carcinoma and mucinous carcinoma of the skin I. Hirai · J. Sobanko · R. Elenitsas · E. Chu

(303) Keeping abreast of rare pathology - A report on phyllodes tumor presenting to the dermatopathologist. T. Holland · K. Kramer · A. Calame · C. Erickson

(304) Epithelial Sheath Neuroma: A Case Series H. Homsi · C. Ricotti · S. Ronen · S. Billings · J. Ko

(305) GLI1-Altered Tumors: A Case of an Emerging Entity in the Skin H. Homsi · C. Ricotti · S. Ronen · J. Ko · S. Billings

(306) PRAME Expression in Dermatofibrosarcoma Protuberans with Fibrosarcomatous Transformation A. Htoo · M. Faraz · J. Cloutier · A. Rothrock

(307) Prominent Epidermotropism: Langerhans Cell Histiocytosis, A Diagnosis Not To Be Missed J. Hu · K. White · S. Mengden · A. Jiang

(308) Superficial ALK-rearranged myxoid spindle cell neoplasm: an emerging class of soft tissue tumors M. Ibraheim · A. Martin · M. Lee · C. Chow · H. Dao · J. Luke · A. Elsensohn · J. Kerstetter · M. Greas

(309) Merkel Cell Carcinoma Arising in Combination with Basal Cell Carcinoma: A Case Report K. Janda · S. Zengin · S. Shalin · N. Zoumberos

(310) Clinical, histopathologic and molecular diversity in NTRK-rearranged spindle cell neoplasms S. Jobbagy · R. Nazarian · M. Hoang · A. Stagner

(311) Superficial dedifferentiated liposarcoma: a rare entity T. Karatas · N. Alzahrani · T. Mohammed · K. Delman · A. Bahrami · Z. Wolner

(312) Metastatic ovarian carcinoma masquerading as inflammatory breast carcinoma: A case report. J. KAUR · J. Sigel

(313) From pink to blue: does ulceration matter in cutaneous basal cell carcinoma? Z. Khan · A. Mohamed · I. Badar · T. Rashid · C. Smotherman · R. Fernandes · A. Gopinath · R. Omman

(314) Wnt Pathway Activation Evokes Sarcomatoid Transformation in Merkel Cell Carcinosarcoma S. Kishikawa · S. Tsuruta · E. Nakano · D. Ogata · K. Namikawa · N. Yamazaki · T. Mori

(315) Malignant granular cell tumor of the lower extremity in a 9-year-old male E. Koh · S. Mengden · J. Dhossche

(316) Development of eight benign and malignant secondary neoplasms in a nevus sebaceous in a 66 year old; How many is the limit? A. Kulbiski · C. Hamilton · T. Ashley · J. McBride · N. Asadbeigi

(317) Immunohistochemical Assessment of Resection Margins in Nevus Sebaceous of Jadassoh A. Kulbiski · M. Timmerman · R. Bittar · A. Petts · J. McBride · N. Asadbeigi

(318) Basal cell carcinoma with myoepithelial differentiation V. Kuritza · J. Zhang · O. Bode-Omoleye · J. Buss · M. Fleming · A. Chaudhry

(319) Metastatic osteoblastic osteosarcoma in the scalp E. Lee Diaz · B. Dulmage · S. Satturwar · J. Plaza

(320) Metastasis of adrenocortical carcinoma to the skin E. Lee Diaz · C. Contreras · J. Plaza

(321) Primary Cutaneous CD8+ Aggressive Epidermotropic Cytotoxic T-cell Lymphoma (PCAETL) and Its Indolent Mimics C. Lilley · J. Mo · G. Sarantopoulos

(322) A Rare Case of Carcinosarcoma Arising in a Spiradenocarcinoma and Eccrine Spiradenoma C. Madu · S. Geetha · R. Guo · A. Bridges

(323) Subcutaneous angioleiomyoma: a rare location for an uncommon head and neck tumor Y. Martin · M. Hornberger · W. Wohltmann

(324) A case of a pilar cyst with ductal differentiation in an adolescent male L. Schroedl · M. Martinez-Escala · S. Stein · A. Ruiz de Luzuriaga

(325) Generalized Eruptive Keratoacanthomas Arising in the Setting of Chemotherapy: an illustrative case highlights clinical and histologic features K. Murphy · R. Anderson · A. Egland · T. Helm

(326) Pigmented Cellular Onychomatricoma with Features of a Proliferating Onychomatricoma R. Newkirk · E. Keung · W. Rush · S. Kuhlman

(327) Hypopigmented Plexiform Melanoma with Myxoid Background: Report of 3 Cases H. Nishida · A. de la Fouchardiere

(328) Evaluation of PD-L1 expression in Primary Cutaneous Carcinosarcomas N. Niu · P. Nagarajan · A. Galan

(329) Subcutaneous Solitary Fibrous Tumor: An Indolent Scalp Tumor R. Nusapan · N. Hegde · P. Khoshnoodi

(330) Colloid Bodies in Basal Cell Carcinoma: Clinical and Histologic Correlates, an Analysis of 405 cases. R. Oganesyan · S. Tahan

(331) Use of Whole-Genome Next Generation Sequencing for Cutaneous Follicle Center Lymphoma: A Retrospective Case-Control Study H. Olds · M. Yaldo · D. Mehregan · K. Gurdziel · H. Dlugas · G. Dyson · D. Carr

(332) Cutaneous symplastic leiomyoma: a case report of an unusual entity S. Palmer · A. Seline · B. Swick

(333) Out of the Bone and Age Zone: Extra-osseous Ewing Sarcoma's Unusual Cutaneous Presentation in a 48-Year-Old Patient A. Petts · R. Bittar · G. Carmichael · J. McBride · H. Haskell · N. Asadbeigi

(334) Atypical fibroxanthoma in a young patient with Xeroderma Pigmentosum S. Piya · W. Duke

(335) Uncommon Infantile Orbital Myxomas: Insights from Two Rare Cases with MN1::TAF3 Fusion T. Platero Portillo · H. Salah

(336) Acral FibroChondroMyxoid Tumor (AFCMT): A Rare Entity Mimicking Digital Mucous Cyst - A Case Report and Immunohistochemical Analysis T. Platero Portillo · S. Jasmine · C. Dehner

(337) Invasive breast carcinoma involving the skin with aberrant TTF-1 expression T. Prechtel · M. Clark · B. Umphress

(338) Malignancy Mimicker: A Rare Case of Inverted Follicular Keratosis in Skin of Color L. Prusinski Fernung · K. Blanchard · A. Johnson

(339) Presentation of an exophytic, dermally based low-grade fibromyxoid sarcoma in the toe of a 74-year-old woman: case report and review of the literature M. Rogers · G. Carlsson Thorn · B. Alexiev · J. Guitart

(340) Melanin Staining Pattern in Aneurysmal and Hemosiderotic Dermatofibromas J. Hughes · P. Khoshnoodi · L. Russell · K. Smith · G. Heinecke

(341) Angiosarcoma of the Breast Skin: A Unique Clinical Presentation K. Rybski · H. Zhang · G. Scott · A. Weiss · A. Huston

(342) Malignant Proliferating Pilar Tumor arising in a Proliferating Pilar Tumor: Impressive presentation of a rare entity J. Saavedra-Nazer · S. Martinez · H. Blankenship · V. Masatkar · A. Niehaus

(343) Neurotrophic tyrosine receptor kinase-rearranged spindle cell neoplasm F. Saka · S. McKenzie · N. Milani-Nejad · C. Smart

(344) Metastatic Gastrointestinal Tumor to the Scalp: A Case Report Highlighting Diagnostic Challenges and Molecular Correlation A. Sanchez · O. Shiyanbola · X. Qian · J. Wang · D. Yan · K. Sheahon · R. Novoa · K. Rieger · R. Brown

(345) Pagetoid Squamous Cell Carcinoma in Situ with Aberrant PRAME Expression M. Stanley · L. Grenier · W. Rush

(346) A Case of Recurrent Eyelid Myxoma With Basaloid Proliferation in a Child M. Stoieva · E. O'donnell

(347) Histiocytic sarcoma vs. dedifferentiated melanoma: Molecular phenotyping of a PD-L1-expressing lesion adjacent to melanoma in situ A. Suen-Wallach · P. Googe

(348) A Case Report of Apocrine Type Mixed Tumor Histologically Mimicking Eccrine Type Mixed Tumor K. Taniguchi · K. Goto · R. Honma · H. Yabushita · R. Yamasaki · K. Ichimura

(VIRTUAL) SPIRADENOCARCINOMA WITH SARCOMATOID DIFFERENTIATION AND DISTANT METASTASIS F. Tanko · D. Diaz · Y. Guo · V. Fitzhugh

(350) Plasmacytoid SCC of the left temple A. Torres · R. Larson · M. Wilson · E. Konopka

(351) Successful treatment of keratoacanthoma-like atypical squamous proliferations on the lower legs of elderly patients with intralesional triamcinolone suggests against the diagnosis of squamous cell carcinoma. N. Turner · C. Ko

(352) Cytokeratin-20 Pattern Does Not Correlate with MCPyV Positivity in Merkel Cell Carcinoma. N. Turner · S. Khan · A. Galan

(353) Multifocal tubulopapillary adenoma arising in a keratinocytic epidermal nevus. A. Wan · J. Cooper · M. Randall · T. McCalmont

(354) Cutaneous Metastatic Carcinoma from Gastric Adenocarcinoma: An Atypical Presentation with Eczematous Lesions on the Face and Neck S. Wang · D. George · J. McNiff · G. Micevic

(355) Unveiling a Young Patient's Encounter with Calcified Chondroid Mesenchymal Neoplasm S. Wang · B. Umphress · C. Dehner

(356) Prognostic Significance of Histologic Features in Pleomorphic Dermal Sarcoma: Insights from Two Cases with Lung Metastases S. Wang · A. Rao · L. Robinson-Bostom

(357) Human Papilloma Virus (HPV) Infection and Mismatch Repair (MMR) Protein status in sebaceous neoplasms of the genital area K. Wiedemeyer · T. Brenn

(358) Epithelial sheath neuroma: a benign mimicker of malignant perineural invasion S. Williamson · T. Chang

(359) The Utility of Total and Suprabasilar Mitoses in Distinguishing Differentiated Vulvar Intraepithelial Neoplasia from Vulvar Inflammatory Dermatoses A. Wills · M. Crawford · S. Gradecki

(360) Establishment of dermatopathology image encyclopedia DermpathNet using Artificial Intelligence Empowered Workflow Z. Xu · M. Lin · Y. Zhou · Z. Xu · S. Orlow · S. Meehan · A. Flamm · A. Moshiri · Y. Peng

(361) Acquired Palmoplantar Keratoderma Associated with Pembrolizumab Therapy for Lung Carcinoma S. Akhtar · D. Frew · T. Wu · M. Piliang

(362) Mammary Type Ectopic Tissue with Usual Ductal Hyperplasia, Fibrocystic and Fibroadenomatoid Changes in the Vulva S. Alnaqshabandi · J. Ko · J. McKenney · R. Hoda

(365) Papillary Hemangioma: Two cases of a rare vascular tumor mimicking glomeruloid hemangioma F. Anum · C. Ko · G. Panse

(366) CAPECITABINE-INDUCED HAND-FOOT SYNDROME AND RADIATION RECALL DERMATITIS F. Anum · P. Ong Sui · F. Santoro · Z. Elaba

(367) PANCREATIC PANNICULITIS PRESENTING AS ERYTHEMA NODOSUM: AN EARLY SIGN? F. Anum · M. Johnston · G. Micevic · A. Galan

(368) Preferentially Expressed Antigen in Melanoma (PRAME) expression utility in pigmented lesions of the pediatric nail unit T. Ashley · A. Petts · F. Manafi · Z. Yu · J. McBride · N. Asadbeigi

(369) Years of Excruciating Pelvic Pain Leading to Post-Traumatic Stress Disorder (PTSD): The Story of a Missed Clitoral Hood Glomus Tumor T. Ashley · F. Manafi · E. Cline · J. McBride · D. Atwi · N. Asadbeigi

(370) Complex Presentation of Hemophagocytic Lymphohistiocytosis (HLH) Panniculitis Secondary to Trichosporon Fungal Infection in a Two-Year-Old with Undetected Langerhans Cell Histiocytosis (LCH) and Familial Cold Autoinflammatory Syndrome T. Ashley · K. Wright · J. Levin · N. Asadbeigi · J. McBride

(371) From bone marrow to skin: an inverse diagnostic dilemma of disseminated Meckel cell carcinoma in an immunocompromised patient with NPM1 mutated Acute Myeloid Leukemia. R. Aslam · A. Setarehaseman · K. Honda · P. Ciarlini

(372) A usual cutaneous hybrid tumor with an unusual seborrheic keratosis like proliferation pattern: a diagnostic pitfall. R. Aslam · W. Bergfeld

(373) Sarcoma-like tumor of the skin (SLTS) (aka atypical fibroxanthoma/pleomorphic dermal sarcoma (AFX/PDS)): Reappraisal of clinicopathologic and molecular factors in prognostication M. Azimpouran · M. Leong · B. Balzer

(374) Adult onset xanthogranuloma with unusual presentation M. Azimpouran · G. Gates

(375) A 28-year-old Male with a Surprising Axillary Lesion S. Bello · K. Papalezova · B. Amin

(376) An Unusual Mimic of Conjunctival Melanoma S. Bello · M. Occidental · A. Barmettler · B. Amin

(377) Unraveling the Mystery of CD8-Positive Aggressive Epidermotropic Cytotoxic T-Cell Lymphoma with Co-expression of T-Cell Receptors Alpha-Beta and Gamma-Delta A Diagnostic Conundrum in Cutaneous Lymphoma R. Bittar · N. Asadbeigi · J. Levin · J. McBride · K. Wright

(378) Giant Aneurysmal Benign Fibrous Histiocytoma on The Scalp: The Largest Reported Case with An Unusual Immunohistochemical Presentation R. Bittar · B. Besch · J. McBride · R. Patel · N. Asadbeigi

(379) Sporadic Giant Cell Collagenoma with Nuclear PTEN Expression Loss: Undiagnosed Cowden Syndrome or Non-Syndromic PTEN Expression Alteration? R. Bittar · C. Hamilton · O. Bari · Z. Yu · J. McBride · N. Asadbeigi

(380) Solitary, pedunculated poroma of the non-glabrous lateral foot following chemotherapy K. Blanchard · A. Ntukogu · L. Prusinski Fernung · M. Powell · L. Davis

(381) An Uncommon Case of Lues Maligna in an Immunocompetent, HIV-Negative Patient M. Burns · A. Fortugno · H. Ahmed · P. Pavlidakey · C. Elston

(382) A Unique Histopathological Presentation of AL Amyloidosis with Cutaneous Amyloid Deposition Localized to Adnexal Structures M. Burns · A. Fortugno · C. Li · P. Pavlidakey · C. Elston

(383) Seronegative dermatomyositis with full-thickness epidermal necrosis on skin biopsy F. Casale · G. Olsen · M. Collins · R. Mehta · V. Sabchyshyn · K. Wanat

(384) Vascular Masquerade: A case of segmental infantile hemangioma with minimal or arrested growth and ulceration F. Casale · P. North · V. Carlberg

(385) Deep-Seated Pyogenic Granulomas in Pediatric Patients: A Case Series F. Casale · P. North · V. Carlberg

(386) Atraumatic Acquired Partial Lipodystrophy In A Child With Type I Diabetes Mellitus C. Chan · M. Occidental · J. GIttler · B. Amin

(387) Acral Hyperpigmentation In A Patient With Seizures C. Chan · M. Occidental · R. Susser · M. Jacobson

(389) Deadly bullae: A case of mycosis fungoides bullosa F. Chen · R. Wang · S. Benton · H. Koster · J. Lullo · J. Speiser

(390) Chronic hives and myalgias, is it just old age, or something more Schn-ister?: A case of Schnitzler Syndrome F. Chen · J. Lullo · J. Speiser

(391) Iododerma in a hospitalized patient L. Chiu · J. Cortez · N. Konstantinov · S. Stepenaskie

(392) Rhabdomyosarcomatous transdifferentiated melanoma arising within a large congenital nevus in an infant L. Chiu · D. Mitchell · A. Smidt · K. Busam · S. Stepenaskie · H. Elwood

(393) Pseudomyogenic hemangioendothelioma of the scalp with diffuse nuclear FOSB immunostaining N. Choe · Y. Martin · K. Krauland · C. Lee

(395) Expanding Histomorphologic Findings of Cutaneous Lipomatous Hamartoma: An Unsual Hoffman-Zurhelle Form of Nevus Lipomatosus Superficialis in a Patient with Medium-Chain Acyl-Coenzyme A Dehydrogenase Deficiency E. Cline · M. Timmerman · O. Bari · J. McBride · N. Asadbeigi

(396) Histologic Damage to Sweat Glands: An Unwanted Consequence Of Radiation Therapy E. Cline · C. Hamilton · K. Wright · J. McBride · N. Asadbeigi

(397) Metastatic atypical carcinoid tumor to the subcutis: a case report C. Cox · S. Orcutt · S. Shalin

(398) Pancreatic panniculitis: an unusual presentation in a child with Williams syndrome C. Cox · S. Shalin · N. Zoumberos

(399) Evolution of acute febrile neutrophilic dermatosis: The rise of eosinophils K. Danyal · D. Cook · J. Pierson

(400) A rare presentation of an exceedingly rare diagnosis: a case of squamoid ductal eccrine carcinoma K. Danyal · P. Khoshnoodi

(401) Ulceration in Cutaneous Squamous Cell Carcinoma is Predictive of Local Aggressiveness and Metastatic Spread T. Denize · E. Hatheway Marshall · L. Heusinkveld · C. Chu · Y. Kim · L. Sakoda · M. Asgari · S. Ashrafzadeh · A. Mandinova · R. Foreman

(402) Role of Helper T Cell Immune Phenotype in Assessing Response to Sonidegib Therapy in Steroid-Refractory Sclerodermatous Chronic GVHD: A Duplex Immunohistochemistry Analysis of 13 patients T. Denize · Z. Defillip · Y. Chen · R. Nazarian

(403) An unusual presentation of psoriasis developed in mycosis fungoides patient: one or two entities. D. Diaz · B. Dasgeb · F. Tanko · J. Bender · Y. Guo

(404) Verocay Bodies in Spindle Cell Lipoma mimicking Schwannoma D. Diaz · T. Makkar · F. Tanko · J. Bender · V. Fitzhugh · Y. Guo

(405) Desmoplastic Melanoma diagnosed as a dermatofibroma: a cautionary tale of the significance of clinicopathologic correlation M. Dougher · J. Markidan · R. Anderson · T. Helm · K. Helm

(406) Novel Nail Unit Clinical and Histopathologic Features of Graphite Tattoo M. Dougher · A. Rubin

(407) Subungual Angiokeratoma: A case series of a melanoma mimicker and clinicopathologic review M. Dougher · A. Rubin · J. Baltz · N. Jellinek · K. Ken

(408) Acquired Factor V Inhibitor Mimicking Necrotizing Fasciitis M. Eduarda Barbosa de Camargo · C. Comerford · J. Forcucci

(409) Hidden Costs: An Internal Review of Outsourced Coding A. Fortugno · C. Elston · P. Pavlidakey

(410) Facial Spindle Cell/Pleomorphic Lipomas: A Diagnosis Often Overlooked A. Franchini Fer · C. Li · H. Ahmed · S. Wei · C. Elston · P. Pavlidakey

(411) Developing a Dermatopathology Artificial Intelligence Assistant: A Pilot Study J. Gehlhausen · C. Ko

(412) An old disease in modern times: Scurvy mimicking myelodysplastic syndrome A. Goldenberg · M. Zhu · M. Hossain · G. Paragh · A. Andea

(413) Atypical Cold Agglutinin Disease or Prolonged Persistent “COVID Toes” in a 19-year-old male? A Case Report. Z. Gorski · A. Langley · S. Petkiewicz

(414) Desmoplastic Melanoma with Leiomyosarcomatous Dedifferentiation: A Rare Case Report. Z. Gorski · S. Pasternak · R. DeCoste · J. Gruchy · M. Carter

(415) NRAS-mutant combined blue nevus-like melanocytic proliferations with pathogenic IDH1 or ARAF co-mutations: A case series A. Green · S. Cook · A. Li · B. Umphress · C. Dehner · S. Warren · A. Alomari

(416) A Case of Cutaneous Mastocytoma with Numerous Eosinophils A. Green · M. Kuhar

(417) A Silver Lining; An Atypical Presentation of Halo Nevus Over Scalp with Poliosis C. Hamilton · N. Oldham · I. Gipson · J. McBride · N. Asadbeigi

(418) PRAME (PReferentially expressed Antigen in MElanoma) Clone EPR20330 Immunohistochemistry as an Ancillary Test in Benign and Malignant Cutaneous Soft Tissue Tumors C. Hamilton · M. Timmerman · F. Manafi · R. Bittar · J. McBride · N. Asadbeigi

(419) Pseudobowenoid Vulvar Change: A Rare Histopathological Entity E. Hatheway Marshall · M. French · K. Devins

(420) Cutaneous Metastases of Pleural Sarcomatoid Mesothelioma E. Hatheway Marshall · Y. Hung · S. Wenson · K. Cornejo

(421) Cutaneous Radiation Fibrosis: Diverse Clinicopathologic Spectrum and Novel Insights E. Hatheway Marshall · T. Denize · A. Sheets · R. Nazarian

(422) The Inclusion Cyst that Wasn’t: The Exceptional Intravascular Schwannoma M. Haymete · J. Gay · D. Tershak · D. Grider

(423) Linear IgA Bullous Dermatosis: Confounding Mimic of Stevens-Johnson Syndrome M. Haymete · M. Rizzo · K. Guerra · Z. Holcomb · D. Grider

(424) A Case of Multicentric Reticulohistiocytosis with Unusual Histopathological Presentation L. He · A. Huen · L. Fayad · M. DiLeo · M. Buni · B. Weeks · P. Nagarajan · P. Aung · J. Curry · C. Torres-Cabala

(425) Quantification of Tumor Burden in Sentinel Lymph Nodes Using Annotated Tumor Area from Whole Slide Images versus Length Metric and Its Correlation with Survival in Cutaneous Melanoma L. He · D. Cabalquinto · P. Aung · V. Prieto

(426) Porokeratotic Adnexal Ostial Nevus Affecting the Nail Unit: A Case and Review Further Supporting Use of this Unifying Diagnosis M. Hinshaw · K. Ahuja

(427) Increasing Skin Histopathology Literacy through a Practical Case-Based Approach. K. Hinz · S. Dadras MD-PhD

(428) What is Galli Galli Disease? --- A case report K. Hinz · A. Deng

(429) Axillary Skin Biopsy Findings in Two Patients with Progressive Seizures D. Holliday · J. Forcucci

(430) Cytoplasmic Vacuolization Artifact in a Compound Melanocytic Nevus S. Hoskins · J. Markidan · T. Helm · K. Helm

(431) PRAME-positive atypical deep penetrating melanocytoma S. Hutson · D. DiCaudo · R. Guo · N. Comfere

(432) Clinical translation and prognostic utility of flow cytometric data in Sézary syndrome S. Hutson · S. Shimshak · P. Horna · O. Sokumbi · N. Comfere

(433) Subcutaneous Panniculitis-Like T-cell Lymphoma with Increased Gamma-Delta T-cells: A Potential Diagnostic Pitfall E. Ibrahim · J. Dai · V. Lenskaya · C. Torres-Cabala · W. Cho

(435) A case of concomitant cryptococcoid and pseudoepitheliomatous sweets syndrome J. Jiang · H. Winfield

(436) Giant cell collagenoma in a patient with Cowden syndrome (CS) J. Jiang · S. Somach · E. Pettiti

(437) Pediatric Anaplastic Large Cell Lymphoma: A Rare Entity K. Karanfilian · H. Blankenship · O. Sangueza

(438) Childhood-Onset Lupus Erythematosus Panniculitis K. Karanfilian · S. Martinez · J. Saavedra-Nazer · O. Sangueza

(439) Suprabasal Acantholysis: An Incidental Finding Associated with Chronic Wounds K. Karanfilian · S. Martinez · J. Saavedra-Nazer · O. Sangueza

(440) Rowell Syndrome: A Case Series and Comprehensive Review A. Khayyat · M. Esmaeil Pour · S. Zohouri · P. Hatami · B. Smoller

(441) Insights into Basal Cell Carcinoma with Bone Metastasis: A Comprehensive Review A. Khayyat · S. Zohouri · M. Esmaeil Pour · A. Khalili-Toosi · M. Moqadam · P. Hatami · A. Heidari · B. Smoller

(442) Study of the Demographics, Clinic, and Pathology of Biopsied Patients with Spitz Nevus in Five Years A. Khayyat · Z. Aryanian · K. Kamyab · S. Shakoei · I. Etesami · V. Azhari · S. Hesami · P. Hatami

(443) Comparative Study of Demographic and Clinical Criteria in Different Age Groups with Pemphigus Foliaceus- A Cross-Sectional Study A. Khayyat · K. Balighi · Z. Aryanian · P. Hatami

(444) Assessment of Clinical and Pathological Characteristics of Inverted Follicular Keratosis in Patients- Five-Year Retrospective Study A. Khayyat · Z. Aryanian · P. Hatami

(445) A Basal Cell Carcinoma of Skin with Bone Metastasis- A Unique Case Report A. Khayyat · M. Esmaeil Pour · S. Zohouri

(446) Granulomatous Secondary Syphilis: An Unusual Clinical & Histopathologic Presentation K. Kramer · T. Holland · C. Erickson · A. Calame

(447) Pemphigus Vegetans for breakfast, lunch and dinner: An unusual clinical presentation of an uncommon condition K. Kramer · T. Holland · C. Erickson · A. Calame

(448) Multicentric Endocrine Mucin-Producing Sweat Gland Carcinoma harboring NF2 Mutation K. Lee · S. Likki · F. Muhaj · P. Nagarajan · D. Ivan · W. Cho

(449) Granulomatous secondary syphilis with perieccrine involvement: an atypical histological presentation K. Lee · D. Maldonado · A. Patel

(450) ALK-immunoreactive histiocytosis without ALK rearrangement K. Lee · F. Muhaj · W. Wang · P. Lin · L. Fayad · J. Curry

(451) Tezepelumab induced Grover’s disease-like eruption G. Majari · a. wang · C. Bitar

(452) Pitfall in Syphilis Diagnosis: Case series of nodular secondary syphilis G. Majari · a. wang · C. Bitar · P. Hwaung · L. Nguyen · A. Kadi

(453) A patient with multiple neutrophilic dermatoses G. Majari · a. wang · A. Kadi

(454) An Uncommon Case of Perianal White Sponge Nevus-Like Proliferation M. Maloney · V. Madray · M. Powell · L. Davis

(455) A case of concurrent leukemia cutis, Candida albicans and Candida parapsilosis infection masquerading as pyoderma gangrenosum A. Maranga · O. Onajin · C. Shea

(456) Granulomatous inflammation and dystrophic calcification after elective autologous gluteal fat transfer A. Maranga · O. Onajin · A. Ruiz de Luzuriaga

(457) Porokeratotic Acanthoma: A Rare Variant of Porokeratosis J. Martinez · M. Tajalli · A. Pappert · Y. Guo

(458) Discoid lupus erythematosus with xanthomatized macrophages C. Massoud · Z. Ellis · S. Shea

(459) Cutaneous leishmaniasis presenting as keloid with sinus tract C. Massoud · Z. Ellis · S. Shea · I. Klumb

(460) Verrucous Angiosarcoma of the Skin: A Morphologically Distinct Subtype of Epithelioid Angiosarcoma? M. McCrary · M. Bui · J. Messina

(462) Recurrent spindle cell lipoma with florid follicular lymphoid hyperplasia A. Minzenmayer · M. Fernandez

(463) Photodistributed Hyperpigmentation Secondary to Kratom Use A. Montebello · M. Royer · L. Grenier

(464) Are all melanocytic lesions with atypia actually melanomas? S. Moubarak · D. Frew · M. Piliang · W. Bergfeld · J. Ko

(465) Fixed Drug Eruption, A Diagnosis to Keep in Mind S. Moubarak · S. Alnaqshabandi · S. Wang · W. Bergfeld

(466) Primary Cutaneous Adenoid Cystic Carcinoma: A Clinicopathologic Study of Three Cases A. Nguyen · L. Ding · S. Agrawal · D. Schembri Wismayer · R. Guo · O. Sokumbi

(467) An Unusual and Unexpected Case of Lepromatous Leprosy K. Osman · J. Fowler · S. Newman · S. Raghavan

(468) Pediatric Melanoma With a Unique Protein Kinase C Fusion Partner K. Osman · L. Prok · J. Wisell · Y. Ma · S. Raghavan

(469) Cutaneous atypical fibroxanthoma with osteoclast-like giant cells: A rare histopathologic subtype  G. Phillips · J. Strunck · K. Schwarzenberger · K. Shaw

(470) EWSR1::SMAD3 rearranged fibroblastic tumor: a case with unique anatomic location and cytomorphology G. Phillips · O. Qutub · K. White

(471) Precursor B-cell acute lymphoblastic leukemia cutis with KMT2A rearrangement in a 15-month old G. Phillips · A. Mir · C. Warner

(472) An Unusual Acral Melanocytic Proliferation with Schwannian Features: A Rare Case of a Spitz Nevus with MYO5A-NTRK3 Gene Rearrangement N. Polster · A. Alomari · B. Umphress

(473) Pseudotumoral Multifocal Encapsulated Fat Necrosis in a Patient on Venetoclax N. Polster · M. Kuhar · C. Dehner

(474) Insulin ball rupture: Unusual presentation of insulin-derived amyloidoma J. Pugh · W. Murphy · L. Bellomo · A. Musiek · I. Rosman

(475) Clinical Photos in Dermatopathology: Unlocking clinical pathologic correlation V. Quan · C. Yang · G. Gjyzeli · S. Chadha · C. Nguyen · A. Anderson

(476) Malignant glomus tumor masquerading as metastatic melanoma S. Ravichandran · T. Boyle · R. Neves · J. Messina

(477) “Piezogenic granuloma” of the elbow: a new entity S. Ravichandran · A. Kucharik · J. Pizzi · S. Albers · P. Rodriguez-Waitkus · W. Chen

(478) Cutaneous sparganosis: the case of the migrating nodule B. Rollins · N. Zoumberos · M. Lindberg

(479) An atypical squamous proliferation mimicking malignancy in extranodal natural killer/T-cell lymphoma B. Rollins · M. Hamza

(VIRTUAL) Extramammary Paget’s disease involving the forearm: An atypical presentation R. Saal · L. Borda · A. Reed · M. Smith

(VIRTUAL) Immunohistochemistry for herpes simplex virus and varicella zoster virus: Sensitivity and specificity R. Saal · L. Borda · R. Pariser · M. Smith

(482) A Case of Acquired Ichthyosis: Investigating Medication and Paraneoplastic Dynamics P. Sagut · J. Scribner

(483) Cryptococcoid Sweet Syndrome in the Setting of Hydralazine-Induced ANCA Vasculitis - A Rare Entity P. Sagut · J. Vroman · K. Lynam · A. Ederle · J. Forcucci · L. Winterfield

(484) Rapid Squamous Cell Carcinoma Progression in a Liver Transplant Recipient P. Sagut · A. Ederle · D. Elston

(485) Differentiating Lymphomatoid Contact Dermatitis and Cutaneous T-Cell Lymphoma: A Diagnostic Challenge P. Sagut · J. Vroman · R. Marchell · J. Scribner

(486) Leukemia cutis as the presenting sign of B-cell lymphoblastic leukemia/lymphoma in a 9-year-old child. A. Samiei · M. Mayet · D. Frew · W. Bergfeld

(487) Ischemic fasciitis: A diagnostic challenge beyond the usual presentation. A. Samiei · S. Wang · S. Billings

(488) Intralymphatic histiocytosis: A rare benign condition with diverse clinical manifestations. A. Samiei · S. Wang · S. Billings

(489) Wong-type Dermatomyositis Misdiagnosed as Palmoplantar Psoriasis R. Seervai · N. Hornick

(491) Myoepithelial carcinoma with divergent differentiation S. Shah · H. Blankenship · V. Masatkar · O. Sangueza

(492) Rowell Syndrome: A Case Study of Erythema Multiforme-Like Lesion in a Young Female S. Shah · H. Blankenship · V. Masatkar · O. Sangueza

(493) Thiotepa-induced toxicity presenting as severe mucositis, diffuse dusky discoloration, and sloughing mimicking Stevens-Johnson syndrome / toxic epidermal necrolysis. N. Shaker · O. Sangueza · D. Pradhan

(494) Syringomatous Carcinoma of the Vulva with Melanocytic Colonization: An Uncommon Presentation of a Rare Sweat Gland Neoplasm N. Shaker · O. Sangueza

(495) Cellular Myofibroblastic Tumor with Striking Similarities to Cellular Myofibroma with Recurrent SRF Gene Fusion: A Diagnostic Pitfall with Sarcoma N. Shaker · I. Mansoor · O. Sangueza

(496) Aneurysmal Fibrous Histiocytoma with Distinct CD63::PRKCD Gene Fusion N. Shaker · O. Iwenofu

(497) Pseudoxanthoma elasticum-like papillary dermal elastolysis: A Subtle Histologic Diagnosis Requiring Clinicopathologic Correlation M. Davis · S. Smith · M. Pittelkow · S. Nelson · D. DiCaudo · L. Swanson

(498) Syringocystadenoma Papilliferum Arising from an Apocrine Nevus D. Stamer · S. Tahan

(499) Pyoderma Gangrenosum-like Reaction to Insulin Pump Therapy in Pediatric Patient D. Stamer · B. Schmidt · S. Tahan

(500) Unusual cutaneous soft tissue tumor with PTEN::RNLS translocation H. Tang · G. Jour · G. Panse

(501) Cutaneous Microcystic/Reticular Schwannoma: A Report of Two Cases H. Tang · G. Panse

(502) TFG Fusions demonstrate Variable Clinical Relevance in Challenging Melanocytic Tumors H. Tang · S. DiNapoli · P. Sukhadia · D. Kim · K. Busam

(503) Evaluation Of P16 Expression in Different Benign Vascular Proliferations M. Timmerman · R. Bittar · A. Kulbiski · Z. Yu · J. McBride · N. Asadbeigi

(504) Battling Blood Fungemia: A Rare Case of Extensive Candida kruseii Intravascular Infection on Skin Biopsy and Fungal Necrotizing Fasciitis in a 15-Year-Old M. Timmerman · C. Cook · T. Ashley · L. Collins · N. Asadbeigi · J. McBride

(505) Reactive granulomatous dermatitis: a retrospective cohort study of 65 patients T. Venkatesh · F. Fedeles

(506) Fibrosing alopecia in a pattern distribution: a pauci-inflammatory presentation in young men with trichoscopic-pathologic correlation T. Venkatesh · V. Quan · E. Li · C. Yang · P. Vakharia · M. Colavincenzo

(507) Galli-Galli Disease: A case masquerading as Grover's disease B. Vest · V. Liu

(508) Personalized Treatment Strategy for Pemphigoid Patients with End-stage Renal Disease l. Yang · Y. Wang · Y. Zuo

(509) Epidermodysplasia Verruciformis: A Case Report and Literature Review Y. Wang

(510) Concurrent Scrotal Extramammary Paget's Disease and Verruciform Xanthoma: A Rare Case. J. Wang · B. Ruben

(511) Mucosal Melanoma With MAP3K8 Gene Rearrangement J. Wang · Y. Algarin · I. El-Sayed · B. Bastian · I. Yeh

(512) Verrucous Venous Malformation: Unusual Presentation of Two Cases H. Weatherly · H. Armani · S. Dadras MD-PhD

(513) Hydroa vacciniforme-lymphoproliferative disorder: Triggers and response to antimalarials C. Bürgler · L. Meyer-Landolt · S. Haefliger · A. Reimer-Taschenbrecker · R. Blum · L. Borradori · R. Wolf

(514) Sweet hemophagocytosis B. Page · P. Avci · R. Blum · L. Feldmeyer · R. Wolf

(515) Nutritional Deficiency Manifesting as Skin Disease: A Case Series S. Zengin · K. Janda · S. Shalin

(516) Periumbilical Papules: Unmasking Perforating Calcific Elastosis H. Zengin · A. Hadi · P. Chu · M. Jacobson

(517) Determining the association between cutaneous keratocysts and basal cell nevus syndrome L. Zhai · M. Class · F. Hafeez

(518) A rare case of widespread congenital porokeratotic eccrine and hair follicle nevus L. Zhou · J. Fenner · G. Niedt

(519) CD30+ Pseudolymphomatous Epithelioid Cutaneous Angiosarcoma: A Rare Mimic of CD30+ Lymphoproliferative Disease M. Zhu · A. Goldenberg · M. Merzianu · A. Andea

(520) Review of Literature and Reported Cases to Explore HPV-42 Molecular Testing for Digital Papillary Adenocarcinoma M. Zhu · A. Arshad

(521) LIPOMAS ARISING IN THE SETTING OF FAMILIAL PARTIAL LIPODYSTROPHY TYPE 2 (FPLD2): AN ILLUSTRATIVE CASE HIGHLIGHTS DIFFERENCES IN CLINICAL PRESENTATIONS. B. Zoshchuk · R. Fliorent · J. Markidan · K. Berry · T. Helm · K. Helm

(VIRTUAL) Adenocarcinoma with mammary-type features on the scalp: a case report M. Colbert · M. Rames · P. Zot · R. Guo · N. Comfere

(VIRTUAL) Eccrine Poroma of the Nipple: The Second Known Case M. KC-Jordan · D. Ghannadi · B. Golestany · M. Kiripolsky

(VIRTUAL) A Rare Case of Papular Acantholytic Dyskeratosis in a Middle Aged Woman A. Yi · E. Keung · W. Rush · S. Capen

(VIRTUAL) Cutaneous lesion with myiasis as a red herring for disseminated coccidioidomycosis in an 11-year-old female M. Ko · K. Lam · M. Azimpouran · I. Laklouk · K. Cheng

(VIRTUAL) Atypical fibroxanthoma/Pleomorphic dermal sarcoma with pseudoangiomatous features mimicking cutaneous angiosarcoma K. McCollum · M. Schneider

(VIRTUAL) Primary Cutaneous Gamma/Delta T-cell Lymphoma in a Patient with a Whole-Body Rash J. Lee · J. Kim · X. Qing

(VIRTUAL) Cutaneous Myofibroblastoma with Loss of Rb1 Expression A. Crawl-Bey · R. Brown · J. Moore

(VIRTUAL) EPIDERMAL LANGERHANS CELLS AND DERMAL DENDRITIC CELLS IN VITILIGO A. Yadav · S. Malik · N. Khunger

(VIRTUAL) Yeast as a Useful Clinical Clue in Distinguishing Lichen Planopilaris/Frontal Fibrosing Alopecia from Female Pattern Hair-loss: A Cross-sectional Observational Study K. Williams · C. Thompson · A. Tosti

(VIRTUAL) Carbon baby syndrome: case report of a rare entity N. AKHOON

(VIRTUAL) Exophytic sarcomatoid squamous cell carcinoma arising in an uncommon location J. Catoe · S. Li · C. Huerter · A. Siref · C. Jarrell

(VIRTUAL) Molecular sequencing of a neurocristic hamartoma: an underrecognized entity B. Bertus · I. Hasan · Z. Zinn · A. Karunamurthy · C. Beatty

(VIRTUAL) Scratch, Scratch: Eosinophilic folliculitis in a patient with HIV T. Henry · A. Baczynski · C. Rosenberg

(VIRTUAL) Association of PRAME immunohistochemistry and gene expression profiling in challenging cutaneous melanocytic lesions M. Weigelt · J. McAfee · S. Billings · S. Ronen · J. Ko

(VIRTUAL) Chronic Myelomonocytic Leukemia Presenting as an Indeterminate Dendritic Cell Tumor of the Skin M. Awais · V. Gorantla · J. Lam · S. Jain

(VIRTUAL) Metastatic Pulmonary Enteric Adenocarcinoma N. Jain · S. Zemlok · S. Sloan · C. Stewart

(VIRTUAL) Beyond the Expected: Flame Figures in Eosinophilic Annular Erythema J. Stachowski · M. Helm · M. Ioffreda · J. Markidan

(VIRTUAL) Use of Albumin in Situ Hybridization to Diagnose Cutaneous Metastatic Hepatocellular Carcinoma with Poorly Differentiated Features: A Case Report and Review of the Literature A. Gauger · A. Alomari · A. Li · M. Fritz

(VIRTUAL) Malignant melanoma with extensive neural differentiation and numerous Wagner-Meissner bodies – A case report M. Colbert · B. Tekin · J. Buonaccorsi · K. Geiersbach · R. Guo · M. Camilleri

(523) Cutaneous Gamma-Delta T-cell Lymphoma: A striking visualization of a rare malignancy S. Cope · G. Rainwater · J. Gibson

(VIRTUAL) A Challenging Case of Cutaneous Rosai-Dorfman Disease K. Woolridge · T. Tran · J. Wilson · B. Goodwin · M. Adkison

(VIRTUAL) Atypical exophytic growth of hypertrophic lichen planus J. Catoe

(VIRTUAL) Investigating Chat-GPT-4o's ability in diagnosing dermatopathological images N. Musolff · B. Sanabria · B. Rao

(VIRTUAL) A case of blue nevus–like melanoma in the pelvis: extracutaneous primary or metastasis? H. Dai · W. Cui · L. Tian · S. Ye

(VIRTUAL) Exploring the Morphological Properties of Human Skin Phototypes using In-Vivo LC-OCT Imaging T. Truong · S. Ouellette · S. Khan · B. Sanabria · R. Fliorent · B. Rao

(VIRTUAL) Papular Purpuric Gloves and Sock Syndrome Mimicking Early Leukocytoclastic Vasculitis: Report of Two Cases E. Miller · L. Ma · R. Flowers · T. Cropley · W. Omesiete

(VIRTUAL) Cutaneous metastasis of a p16+ tonsillar SCC J. Rudd · S. Li · A. Siref

(VIRTUAL) Disseminated pseudomyogenic haemangioendothelioma – An unusual case of a rare condition R. Islam · V. Bhadri · K. Wong · K. Cheung

(VIRTUAL) A Case of T-Cell Prolymphocytic Leukemia with Skin Involvement A. Marrs · R. Islam · a. wang · Y. Al Rubaye · N. Saba · C. Bitar

(VIRTUAL) The Symplastic Xanthoma? Mitotic Figures and Pleomorphism in the Xanthomas of Lipoprotein X S. Pourali · R. Brown · K. Rieger · E. Bahrani

(VIRTUAL) Thiotepa Toxiderma Following Autologous Stem Cell Transplant in a Pediatric Patient A. Ofori-Darko · A. Treichel · K. Honda · T. Sharma

(VIRTUAL) Primary cutaneous follicle center lymphoma on the scalp G. Gowda · C. Bitar · Y. Al Rubaye · a. wang

(VIRTUAL) Pyostomatitis-pyodermatitis vegetans associated elevated ANCAs in a 79-year-old female with inflammatory bowel disease M. Ko · K. Lam · K. Cheng

(VIRTUAL) PRAME expression in Cutaneous Squamous Cell Carcinoma: A Case Series and Literature Review C. Patterson · N. Asadbeigi · J. McBride · R. Patel

(MA Poster 01) ROS1-Fused Spitz Tumors: A Comprehensive Analysis of Histologic and Clinical Characteristics A. Qureshi

(MA Poster 02) Baseline histopathological features predict treatment response to biological therapies in psoriasis M. McCrary · S. Aflatooni · W. Damsky · P. Rodriguez-Waitkus

(MA Poster 04) Comparative Analysis of SOX11, INSM1, Pancytokeratin, and CK20 Expression in Primary and Metastatic Merkel Cell Carcinoma J. Do · Y. Wang · J. Ning · W. Cho

(MA Poster 05) Prognostic Value of p16 Immunohistochemical Staining in Primary Cutaneous Melanoma L. Gaghan

(MA Poster 06) Clinical, Serologic, and Histopathologic Features of Patients with Pemphigus with either Positive or Negative IgG4 Intercellular Deposition by Direct Immunofluorescence: A Retrospective Case-Control Study of 55 Cases C. Garbanzos · A. Todd · H. Hardway · J. Lehman

(MA Poster 07) A Pediatric Melanoma with MED15::ATF1 rearrangement and TERT amplification K. Nguyen

(MA Poster 08) Spatial characterization of TAMs and CXCL9 in transplant and immunocompetent SCCIS C. Yang · M. Hedberg · J. Shuh · H. Maeno · S. Prouty · J. Seykora