The pigmented lesion measured 6 mm in dimension and was characterized by asymmetry, very indistinct irregular borders, a deeply pigmented papule with apparent infiltration of the epidermis, and ...

CASE #1: Fibrous papule. ... Pigmented fibrous papules are characterized by melanocytic hyperplasia with dermal macrophages and must be differentiated from benign nevi and melanoma.

Dermatologic examination showed multiple seborrheic keratoses and a 2-mm bluish pigmented papule on the dorsum of the hand that the patient felt had been growing . This was biopsied and showed ...