True about acanthosis nigricans - (AIPG 2011)
|A||Most commonly seen in obesity|
|B||Seen in axilla|
|C||It signifies internal malignancy|
|D||It is associated with insulin resistance|
|E||Seen in old age|
Most commonly seen in obesity; B . Seen in axilla; C . It signifies internal malignancy & D . It is associated with insulin resistance
Acanthosis nigricans is brown to black discolouration which usually affects body folds like axilla, groin, umblicus, forehead. Acanthosis nigricans occurs in individuals younger than 40 years of age. It is associated with obesity (most common); endocrinopathy like insulin resistance DM, hypothyroidism, Bloom synd., PCOD, and internal malignancy e.g. gastric adenocarcinoma.