Which of the following is true for acanthosis nigricans:

Ans. C: May be associated with Insulin resistant diabetes mellitus Acanthosis nigricans is associated with obesity and insulin resistance in majority of the patients. In few cases, it may be a reflection of endocrinopathy such as acromegaly, cushing's syndrome polycystic ovarian syndrome. It occurs primarily in flexural areas as velvety hyperpigmentation. It may be a reflection of GIT malignancy.