Lesions situated over joints. Note how dark are the fingers in contrast to the rest of the skin.
Pigmented, slightly elevated plaque with a gently papillated smooth surface, in this instance punctuated by atrophic striae.
Polypoid excrescences, as well as subtle papules. Grooves that traverse plaques represent accentuation of skin lines.
Ill-defined plaque, thrown into folds, made up of prominent, smooth-surfaced papules, some of them polypoid.