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

See related DDx

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Last updated: December 1, 2014