title: Primary hemangiopericytoma of the parietal bone: a case report.
abstract: Hemangiopericytomas are rare hypervascular tumors arising from Zimmerman's pericytes. They usually occur in the soft tissue, and intraosseous lesions are very rare. Surgical excision is the first choice for treatment. Many studies show that patients should be monitored for some time following treatment because of a high rate of recurrence and metastasis after radical resection. This report introduces a 56-year-old patient with a hemangiopericytoma in his parietal bone.
  
  
  BACKGROUND
  Parietal bone, Hemangiopericytoma.
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Pathology, Erzurum, Turkey.
authors.forename: Sare
authors.initials: S
authors.lastname: Sipal
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Pathology, Erzurum, Turkey.
authors.forename: Elif
authors.initials: E
authors.lastname: Demirci
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Pathology, Erzurum, Turkey.
authors.forename: Muhammet
authors.initials: M
authors.lastname: Calık
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Pathology, Erzurum, Turkey.
authors.forename: Betul
authors.initials: B
authors.lastname: Gundogdu
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Neurosurgery, Erzurum, Turkey.
authors.forename: Goksin
authors.initials: G
authors.lastname: Sengul
authors.affiliation: Atatürk University, Faculty of Medicine, Department of Pathology, Erzurum, Turkey.
authors.forename: Cemal
authors.initials: C
authors.lastname: Gundogdu
keywords: Hemangiopericytoma; Parietal bone; Primary