Korean J Dermatol.  2002 Jan;40(1):87-89.

A Case of Basal Cell Carcinoma Arising in Seborrheic Keratosis

  • 1Department of Dermatology, College of Medicine, The Catholic University of Korea, Seoul, Korea. ladyskin@kornet.co.kr


The development of basal cell carcinoma in seborrheic keratosis is rarely reported despite the frequency of the two tumors . Herein we report a case of basal cell carcinoma arising in seborrheic keratosis. The patient was a seventy-one-year old female who presented with a brown colored nodule on left malar area for 6 months. Histopathological analysis of the lesion revealed a basaloid cell mass that appeared to be a basal cell carcinoma beneath a seborrheic keratosis lesion . There was direct connection between basal cell carcinoma and seborrheic keratosis, so it appears that both neoplasms may derive from a similar source.


Basal cell carcinoma; Seborrheic keratosis
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