Coexisting Basal Cell Carcinoma and Squamous Cell Carcinoma in Congenital Nevus Sebaceous

Main Article Content

Jordan Rosen
Katherine Nolan
Noah Shaikh
Les Rosen
Martin Zaiac

Keywords

neoplasms (benign), neoplasms (malignant), dermatopathology

Abstract

Nevus sebaceous is a congenital epidermal hamartoma characterized by hyperplastic changes to the epidermis and adnexa. Nevus sebaceous is associated with an elevated risk of cutaneous neoplasms, most often benign; however, malignant neoplasms, most notably basal cell carcinoma, can also present in these patients. Although a rare occurrence, more often affecting adult patients, squamous cell carcinomas have also been reported to arise at the site of pre-existing nevus sebaceous. Herein we report a unique case of a patient with basal cell carcinoma and squamous cell carcinoma arising concurrently in the same nevus sebaceous.

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