Which age groups have the highest prevalence 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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Keratosis follicularis (Darier disease) most commonly manifests from age 6-20 years; however, patients have presented as early as age 4 years and as late as age 70 years. Notably, the first case of congenital keratosis follicularis (Darier disease) was diagnosed by biopsy in a child with a significant positive family history for keratosis follicularis (Darier disease), in which at least the 3 proceeding generations of family members were affected. [30]

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