title: The relationship of seborrheic keratosis and basal-cell carcinoma?
abstract: Adjoining basal-cell carcinoma (BCC) and seborrheic keratosis (SK) are rarely reported despite the frequency of the two tumors. Unusual ulcerative changes in an SK are indications for biopsy.
mesh_terms: D002280:Basal Cell Carcinoma / Q000150:complications / Q000473:pathology*; D012628:Dermatitis, Seborrheic / Q000150:complications / Q000473:pathology*; D006801:Humans; D007642:Keratosis / Q000150:complications / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D012878:Skin Neoplasms / Q000150:complications / Q000473:pathology*