title: [Hemangiopericytoma-like tumor (HPCLT) of the nasal cavity: morphological, immunohistochemical, and ultrastructural features].
abstract: A case of hemangiopericytoma-like tumour (HPCLT) of the nasal cavity is described in a 81-year-old woman. The tumour, accompanied by symptoms of nasal obstruction and epistaxis, presented as a polypoid lesion filling the left middle meatus region. Histological, immunohistochemical and electron microscope studies revealed a uniform sheet-like proliferation of spindle to oval vimentin-positive cells growing around a rich vascular network. The favourable outcome sixteen months after endoscopic sphenoethmoidectomy would seem to confirm the diagnosis of HPCLT. The differential diagnosis of this rare lesion is discussed.
authors.affiliation: Servizio di Anatomia Patologica, Ospedale di Vallecamonica, Esine, Brescia. apesine@hotmail.com
authors.forename: S
authors.initials: S
authors.lastname: Squillaci
authors.forename: B E
authors.initials: BE
authors.lastname: Leone
authors.forename: D
authors.initials: D
authors.lastname: Lambertenghi
authors.forename: F
authors.initials: F
authors.lastname: Bertoletti
authors.forename: G
authors.initials: G
authors.lastname: Pizzoli
authors.forename: A
authors.initials: A
authors.lastname: Rodolfi
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D005260:Female; D006393:Hemangiopericytoma / Q000473:pathology*; D006801:Humans; D009296:Nasal Cavity; D009669:Nose Neoplasms / Q000473:pathology*