title: Malignant hemangiopericytoma of the breast: a case report with a review of the literature.
abstract: BACKGROUND
  A hemangiopericytoma of the breast is uncommon, and a hemangiopericytoma of the breast is even rarer. Only a few cases of hemangiopericytoma of the breast have been reported in literature.
  
  
  METHODS
  Here, we report a case of a 66-year-old woman who presented with a mass in her left breast. The patient had trauma to her left breast 2 years ago with consecutive hematoma. An ultrasound-guided core biopsy indicated a malignant vascular tumor. Its morphology and immunohistochemical marker profile was characteristic for a malignant hemangiopericytoma. Thus, she underwent a mastectomy and an axilla sampling.
  
  
  CONCLUSIONS
  The mammogram and the ultrasound findings of 2004 are presented in relation to those of 2006. Hemangiopericytoma of the breast is infrequent, so that the characteristics of this lesion are discussed in addition to the review of the previous literature on this unusual neoplasm.
authors.affiliation: Department of Obstetrics and Gynaecology, University of Luebeck, Ratzeburger Allee 160, 23538, Luebeck, Germany. britta.buecker@uk-sh.de
authors.forename: Britta
authors.initials: B
authors.lastname: Buecker
authors.forename: Smaragda
authors.initials: S
authors.lastname: Kapsimalakou
authors.forename: Beate M
authors.initials: BM
authors.lastname: Stoeckelhuber
authors.forename: Ingeborg
authors.initials: I
authors.lastname: Bos
authors.forename: Susanne
authors.initials: S
authors.lastname: Wulf-Brodnjak
authors.forename: Dorothea
authors.initials: D
authors.lastname: Fischer
mesh_terms: D000368:Aged; D001940:Breast / Q000473:pathology*; D001943:Breast Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D005260:Female; D006393:Hemangiopericytoma / Q000000981:diagnostic imaging / Q000473:pathology* / Q000601:surgery; D006801:Humans; D008408:Mastectomy; D014463:Ultrasonography