Acanthosis nigricans
DDx
- Nevi
- Reticulated pigment anomaly (Dowling-Degos disease)
- Confluent and reticulated papillomatosis (of Gougreot and Carteaud)
Associated conditions
- Obesity
- Insulin resistance syndrome
- Diabetes
- Cushing's disease
- Acromegaly
- Hypothyroidism or hyperthyroidism
- Occult malignancy
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