Post-herpetic eruptive vellus hair cysts

R. Grimalt, G. Gasparini, R. Gianotti, R. Caputo

Research output: Contribution to journalArticlepeer-review


A 58-year-old caucasian male who developed eruptive vellus hair cysts (EVHC) after an episode of herpes zoster is reported. Clinically 5-7 pruritic, flesh-colored, 2 to 5 mm papules on the back were present in the previous location of the zona eruption. Histology revealed poorly defined, keratin-filled cysts in the upper-mid dermis, containing numerous transversely or obliquely cut portions of vellus hair. Even though the pathogenesis of EVHC is not known, several hypotheses try to explain this not often reported but common phenomenon.

Original languageEnglish
Pages (from-to)677-679
Number of pages3
JournalEuropean Journal of Dermatology
Issue number8
Publication statusPublished - 1993

ASJC Scopus subject areas

  • Dermatology


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