Perianal mammary-type myofibroblastoma

Yaxia Zhang, Merce Jorda, John R. Goldblum

Research output: Contribution to journalArticle

9 Scopus citations

Abstract

We report a unique case of an extramammary mammary-type myofibroblastoma of the perianal region. The patient was a 40-year old female with no significant past history, who presented with a right side painless perianal mass. Gross examination of the excised mass showed a well-circumscribed, apparently encapsulated, nodular mass weighing 30 g and measuring 5 cm. in the greatest dimension. The cut surface showed solid, yellow homogenous tissue. Microscopically, the neoplasm was composed of bland spindled cells generally arranged into short fascicles with abundant myxoid stroma. The cells stained strongly for desmin and CD34. To our knowledge, a review of the literature discloses only ten cases of extramammary, mammary-type myofibroblastoma.

Original languageEnglish (US)
Pages (from-to)358-360
Number of pages3
JournalAnnals of Diagnostic Pathology
Volume14
Issue number5
DOIs
StatePublished - Oct 1 2010

Keywords

  • CD34
  • Desmin
  • Mammary-type myofibroblastoma
  • Perianal

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

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