Images (11)

 

Distribution


View Figure  		FIG. 1-1:  Widespread acanthosis nigricans. This implies concurrence of an internal malignancy.

View Figure  		FIG. 1-2:  Confluent papillomatosis of the lips and buccal mucosa.

View Figure  		FIG. 1-3:  Bilateral involvement of the axillae in this obese young man with an endocrine disorder.

View Figure  		FIG. 1-4:  The neck is a favorite site.
 

Individual Lesions


View Figure  		FIG. 1-5:  Closely set tiny papules in linear array.

View Figure  		FIG. 1-6:  Lesions situated over joints. Note how dark are the fingers in contrast to the rest of the skin.

View Figure  		FIG. 1-7:  Pigmented plaque with mammillated surface.

View Figure  		FIG. 1-8:  Pigmented, slightly elevated plaque with a gently papillated smooth surface, in this instance punctuated by atrophic striae.

View Figure  		FIG. 1-9:  Polypoid excrescences, as well as subtle papules. Grooves that traverse plaques represent accentuation of skin lines.

View Figure  		FIG. 1-10:  Ill-defined plaque, thrown into folds, made up of prominent, smooth-surfaced papules, some of them polypoid.

View Figure  		FIG. 1-11:  Pigmented plaque in which skin folds are accentuated.