Malignant acanthosis nigricans: a case report

Malignant acanthosis nigricans associated with prostate cancer: a case report

BACKGROUND Acanthosis nigricans is characterized by hyperpigmentation and hyperkeratosis of the skin or mucous membranes. Its malignant form is associated with internal neoplasms, especially gastric adenocarcinoma (55-61%). Coexistence with prostate cancer is uncommon. In the paraneoplastic type of this dermatosis, the skin and mucous lesions are characteristically of more sudden onset and more...

Malignant acanthosis nigricans: an early diagnostic clue.

Acanthosis nigricans (AN) is characterized by velvety, hyperpigmented, verrucous, symmetric and occasionally pruritic plaques along with papillomatous lesions which have a special predilection for neck, axillae, groin, umbilicu and mucosal regions. Rarely, it presents as a paraneoplastic syndrome and prompts a thorough search for an internal malignancy. We present here a case of malignant acant...

Malignant acanthosis nigricans in adrenal carcinoma.

A case of nevoid acanthosis nigricans.

Sir, Naevoid acanthosis nigricans (AN) is an extremely rare form of AN that can manifest with a characteristic naevoid appearance at any age before puberty (1 – 3). It is not associated with any known syndrome, endocrinopathy, drugs or internal malignancy (1 – 3) and, thus far, there have been only 2 case reports in the literature of naevoid AN with a unilateral distribution (1, 2). We report a...

Malignant Acanthosis Nigricans Associated with Ovarian Cancer

Malignant acanthosis nigricans is a cutaneous eruption characterized by symmetric hyperpigmented hyperkeratosis, dermal papillomatosis, and mucosal involvement associated with internal malignancies. Tripe palms refers to a characteristic velvety thickening of the palms, with exaggeration of normal skin markings. We present the second case of ovarian cancer in association with two coexisting par...