title: Hemangiopericytoma of the optic nerve sheath.
abstract: OBJECTIVE
  To report the clinicopathologic findings in patient with optic nerve sheath hemangiopericytoma.
  
  
  METHODS
  Clinicopathologic report.
  
  
  METHODS
  The clinical, histologic, and immunohistochemical findings of a patient with optic nerve sheath hemangiopericytoma were reviewed.
  
  
  RESULTS
  An excisional biopsy of an optic nerve sheath tumor from a 35-year-old woman showed a staghorn vascular pattern consisting of CD34-positive tumor cells.
  
  
  CONCLUSIONS
  Hemangiopericytoma may occur rarely in the optic nerve sheath.
authors: Department of Ophthalmology, Emory University School of Medicine, Atlanta, Georgia 30322, USA.
authors: Bryan J
authors: BJ
authors: Schwent
authors: Ted H
authors: TH
authors: Wojno
authors: Hans E
authors: HE
authors: Grossniklaus
mesh_terms: D000328:Adult; D018952:Antigens, CD34 / Q000032:analysis; D014408:Biomarkers, Tumor / Q000032:analysis; D005260:Female; D006393:Hemangiopericytoma / Q000737:chemistry / Q000473:pathology*; D006801:Humans; D008279:Magnetic Resonance Imaging; D009363:Neoplasm Proteins / Q000032:analysis; D019574:Optic Nerve Neoplasms / Q000737:chemistry / Q000473:pathology*
chemical_list: D018952:Antigens, CD34; D014408:Biomarkers, Tumor; D009363:Neoplasm Proteins