Seborrheic Keratosis

Well-demarcated, waxy, brownish-black or tan papules/plaques; warty and “stuck-on” appearance.

Lentigo Maligna

Tan/brown, uniformly flat macule with irregular borders. (Courtesy Dr. S. Walsh)

Keratoacanthoma

Erythematous, skin-coloured, firm, dome-shaped nodule with central keratin-filled crater.

Kaposi Sarcoma

Violaceous cutaneous nodules on the lower extremity. (Courtesy Dr. J. Murray)

Epidermal Cyst

Round, firm, yellow/flesh coloured, mobile nodule; may observe a follicular punctum on the overlying epidermal surface.