Scarring Alopecia Differential Diagnoses

Updated: Feb 26, 2018
  • Author: Basil M Hantash, MD, PhD, MBA; Chief Editor: Dirk M Elston, MD  more...
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Diagnostic Considerations

Also consider the following:

  • Circumscribed scleroderma
  • Papular atrichia
  • Temporal triangular alopecia: Although this entity is a clinical mimic, no scarring is present and patient history indicates congenital onset. The region shows a predominance of vellus hairs, although atypical/overlap patterns with terminal hairs have been noted. [34]
  • Alopecia areata: Although most often an obvious clinical presentation when multiple patches are present, single-patch presentation and diffuse presentations are often overlooked and biopsy often is not performed. In fact, many patients relegated as nonresponders or diagnosed with severe alopecia areata may have other scarring conditions. [35]

Differential Diagnoses