title: Parapharyngeal extension of a meningioma.
abstract: A case of posterior fossa meningioma with parapharyngeal extension is described. The tumour lacked contrast enhancement at both CT and MRI, and showed no vascularity at angiography. These negative features restricted us to a differential diagnosis alone. The postulated mechanisms for an extracranial position of a meningioma, mainly from Hoye et al, are re-presented.
authors.affiliation: Radiology Department, Royal Melbourne Hospital, Parkville, Victoria, Australia.
authors.forename: H
authors.initials: H
authors.lastname: Fabrikant
mesh_terms: D003388:Cranial Fossa, Posterior; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008577:Meningeal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D008578:Meninges / Q000473:pathology; D008579:Meningioma / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D010610:Pharyngeal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D010614:Pharynx / Q000473:pathology; D014057:Tomography, X-Ray Computed