title: Hemangiopericytoma of the lacrimal sac.
abstract: Hemangiopericytoma is a rare soft-tissue neoplasm composed histologically of pericytes. Hemangiopericytoma of the lacrimal sac is exceedingly rare. This case provided the first known computed tomographic image of a hemangiopericytoma of the lacrimal sac prior to surgical intervention.
authors.affiliation: Department of Ophthalmology, Massachusetts Eye and Ear Infirmary, Harvard Medical School, Boston 02114.
authors.forename: P A
authors.initials: PA
authors.lastname: Rubin
authors.forename: J W
authors.initials: JW
authors.lastname: Shore
authors.forename: F A
authors.initials: FA
authors.lastname: Jakobiec
authors.forename: K
authors.initials: K
authors.lastname: To
mesh_terms: D005260:Female; D006393:Hemangiopericytoma / Q000000981:diagnostic imaging* / Q000473:pathology; D006801:Humans; D007766:Lacrimal Apparatus Diseases / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D014057:Tomography, X-Ray Computed