Correct Answer - D Ans. is 'd' i.e., All of the above Acanth | Dermatology

Correct Answer - D
Ans. is 'd' i.e., All of the above
Acanthosis nigricans
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

1. Obesity (most common)

2. Endocrinopathies —> Hypothyroidism, hyperthyroidism, insuline
resistance diabetes, Cushing's disease, PCOD, Bloom syndrome.

3. Internal malignancy —> Gastric adenocarcinoma

@dermatology_vid