Malignant changes in seborrheic keratoses.
D000368:Aged; D002278:Carcinoma in Situ / Q000209:etiology* / Q000473:pathology; D002280:Basal Cell Carcinoma / Q000209:etiology* / Q000473:pathology; D002471:Cell Transformation, Neoplastic; D012628:Dermatitis, Seborrheic / Q000150:complications* / Q000473:pathology; D005260:Female; D006801:Humans; D007642:Keratosis / Q000150:complications* / Q000473:pathology; D008297:Male; D008875:Middle Aged; D011230:Precancerous Conditions; D012878:Skin Neoplasms / Q000209:etiology* / Q000473:pathology