Indurated erythematous nodule or plaque with a hyperkeratotic surface, scale/crust, and central ulceration.
A pigmented lesion with asymmetry, an irregular border, variegated colour, and diameter greater than 6 mm.
Note central ulceration. (Courtesy Dr. S. Walsh)
Skin-coloured papule or plaque with rolled, translucent/pearly border and telangiectasia.
Skin-coloured papule or plaque with rolled, translucent/pearly border and telangiectasia.
