title: Pilomatrix carcinoma of the eyelid.
abstract: OBJECTIVE
  To report a case of a recurring mass with an unusual origin on the eyelid of a 34-year-old man.
  
  
  METHODS
  Case report.
  
  
  RESULTS
  Histology demonstrated that the mass was a pilomatrix carcinoma.
  
  
  CONCLUSIONS
  An atypical mass with unusual symptoms or signs needs definitive treatment and diagnostic confirmation with histology.
authors.affiliation: The Research Foundation, The Royal Victoria Eye and Ear Hospital, Dublin, Republic of Ireland. mcahill@indigo.ie
authors.forename: M T
authors.initials: MT
authors.lastname: Cahill
authors.forename: P M
authors.initials: PM
authors.lastname: Moriarty
authors.forename: D J
authors.initials: DJ
authors.lastname: Mooney
authors.forename: S M
authors.initials: SM
authors.lastname: Kennedy
mesh_terms: D000328:Adult; D005142:Eyelid Neoplasms / Q000473:pathology* / Q000601:surgery; D006201:Hair Diseases / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008297:Male; D018296:Pilomatrixoma / Q000473:pathology* / Q000601:surgery; D012878:Skin Neoplasms / Q000473:pathology* / Q000601:surgery