How does the prevalence of acanthosis nigricans (AN) vary by age?

Updated: Oct 14, 2020
  • Author: Jason H Miller, MD; Chief Editor: William D James, MD  more...
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Lesions of benign acanthosis nigricans may be present at any age, including at birth, although it is found more commonly in the adult population. Malignant acanthosis nigricans occurs more frequently in elderly persons; however, cases have been reported in children with Wilms tumor, gastric adenocarcinoma, and osteogenic sarcoma. [1]

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