Apocrine epithelium within a trichilemmal cyst

L. K. Bickley, R. A. Schwartz, W. C. Lambert

Research output: Contribution to journalArticlepeer-review


The trichilemmal cyst, or pilar cyst, is typically lined by an epithelium that keratinizes in the manner of the outer root sheath of the hair follicle. Occasionally, aberrant histology may be present in the cyst wall. We present a trichilemmal cyst, the wall of which shows continuity with apocrine epithelium. This finding, which to our knowledge has not previously been reported, may represent an embryonic remnant.

Original languageEnglish
Pages (from-to)71-73
Number of pages3
JournalActa Dermatovenerologica Alpina, Panonica et Adriatica
Issue number2
StatePublished - 1997
Externally publishedYes


  • Apocrine remnant
  • Combined cyst
  • Embryonic remnant
  • Pilar cyst
  • Skin neoplasm
  • Trichilemmal cyst


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