title: Squamous cell carcinoma arising in an eccrine hidrocystoma.
abstract: This report describes the case of a 63 yr old male with an enlarging lesion on the left cheek. Excision biopsy showed a squamous cell carcinoma arising from an eccrine hidrocystoma. The eccrine hidrocystoma showed foci of squamous metaplasia and the sequence of squamous metaplasia complicated by squamous carcinoma is postulated. Squamous differentiation in eccrine neoplasia is discussed.
authors.affiliation: Department of Anatomical Pathology, ICPMR, Westmead Hospital, NSW.
authors.forename: C
authors.initials: C
authors.lastname: Theocharous
authors.forename: R C
authors.initials: RC
authors.lastname: Jaworski
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000473:pathology*; D005153:Facial Neoplasms / Q000473:pathology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009378:Neoplasms, Multiple Primary / Q000473:pathology*; D013544:Sweat Gland Neoplasms / Q000473:pathology*