What is mixed-type acanthosis nigricans (AN)?

Updated: Oct 14, 2020
  • Author: Jason H Miller, MD; Chief Editor: William D James, MD  more...
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Mixed-type acanthosis nigricans refers to those situations in which a patient with one of the above types of acanthosis nigricans develops new lesions of a different etiology. An example of this would be an overweight patient with obesity-associated acanthosis nigricans who subsequently develops malignant acanthosis nigricans.

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