(Poster #302) Eyelid Schwannomas, with Associated Epidermal Neoplasms: A Report of Two Cases

Abstract

Schwannomas are neural tumors that typically present on the extremities, head, and neck, and can be seen in association with neurofibromatosis type 2. We present two cases of cutaneous schwannomas of the eyelid due to their unusual location and association with additional neoplasms in a 71 year old patient and in a 35 year old patient. The first was a papule with madarosis and ulceration and on histopathology was adjacent to an infiltrative basal cell carcinoma. The second was a slow growing, asymptomatic papule on the left lower eyelid margin with some eyelash displacement, and demonstrated a schwannoma with an overlying intradermal nevus on histopathology. Schwannomas presenting on eyelids are unusual tumors. In the literature, there are 22 reported cases. These cases are unique not only in their location but also association with other neoplasms, which we hypothesize may be related to local increase in growth factors. Presence of these tumors on the eyelid is an unusual and rarely reported finding.

Financial Disclosure:
No current or relevant financial relationships exist.

Published in: ASDP 58th Virtual Annual Meeting

Publisher: The American Society of Dermatopathology
Date of Conference: October 20-24, 2021