Most common association with Acanthosis nigricans ?
Correct Answer: Obesity
Description: Ans. is 'c' i.e., Obesity Acanthosis nigricans is a brown to black, velvety hyperpigmentation of the skin. It is usually found in body folds, such as posterior & lateral folds of neck, axilla, groin, umblicus, forehead. It typically occurs in individuals younger than 40 years of age. Histopathologically papillomatosis is characteristically seen; however, there is no hypermelanosis and there is only mild acanthosis, if present. It is associated with : Obesity (most common) Endocrinopathies --> Hypothyroidism, hypehyroidism, insuline resistance diabetes, Cushing's disease, PCOD, Bloom syndrome. Internal malignancy --> Gastric adenocarcinoma.
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Skin
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