Sebaceous carcinoma

Abstract

A series of 11 sebaceous carcinomas is reported. None of the tumors recurred or metastasized. Two growth patterns were observed: basal cell carcinomas with sebaceous differentiation, and pure sebaceous carcinomas. Since both these types may occur together they are considered to be merely variants of a single tumor entity. The clinical and histological characteristics of sebaceous carcinomas of this series are compared with those recorded in the literature. It is concluded that sebaceous carcinomas originate in the epidermis, in the skin appendages, or in both.