What is the role of biopsy in the diagnosis of keratosis follicularis (Darier disease)?

Updated: Jul 31, 2018
  • Author: Pui-Yan Kwok, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Answer

A skin biopsy is helpful in confirming the diagnosis of keratosis follicularis (Darier disease).


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