Pseudoacanthosis nigricans Images

Pseudoacanthosis nigricans: symmetrical, brownish, moderately sharply defined, poorly elevated, completely asymptomatic plaques; no detectable underlying disease.

Pseudoacanthosis nigrans, flat, velvety acanthotic plaques, in some places also verrucous plaques which appear only weakly in the skin lines.

Pseudoacanthosis nigricans: symmetric, black-brown hyperpigmentations with velvety, partly also verrucous plaques. blurred demarcation from the surroundings. no detectable underlying disease.

Pseudoacanthosis nigrans. 34-year-old female, perfectly healthy.

Pseudoacanthosis nigricans: Stripy and reticulated hyperpigmented plaques in the neck of a 16-year-old obese patient.

Pseudoacanthosis nigricans: Slightly pronounced, flat, slightly swollen, hyperpigmented areas of the left axilla in an obese 63-year-old patient of Turkish origin.

Pseudoacanthosis nigricans: Distinctly pronounced, flat, sore, hyperpigmented plaques of the right axilla in an obese 52-year-old female patient.

Pseudoacanthosis nigricans: Flat, slightly swollen, hyperpigmented areas of the axils in an obese patient of Indian origin.

Pseudoacanthosis nigricans: symmetrical, brownish, moderately sharply defined, poorly elevated, completely asymptomatic plaques over the spinous processes of the vertebral bodies; no detectable underlying disease.

Psxeudoacanthosis nigricans: Unclearly definable, hyperpigmented, verrucous plaques mainly on the shaft of the penis.