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seborrhoeic keratosis; seborrhoeic wart; senile wart; basal cell papilloma; stucco keratosis common, pigmented, entirely benign skin tumours with rough, warty, dull surface; of unknown cause; occur in any skin area; characterized by homogeneous colour throughout (most on limbs/feet are white-grey in colour and <4mm diameter), and a distinct (sometimes overhanging) edge; incidence increases with advancing age; treated by cryotherapy
Lesion of the skin appearing as brown or yellowish thickening of the skin of the face, eyelids and/or conjunctiva. It is common in the elderly and may be a precursor to squamous cell carcinoma. Management includes cryotherapy, local surgical excision or radiotherapy.