title: Idiopathic granulomatous angiitis of the CNS manifesting as diffuse white matter disease.
abstract: A 48-year-old man presented with progressive spastic paraparesis and diffuse white matter involvement on neuroimaging that suggested a primary demyelinating disease. Brain biopsy 3 years after onset of symptoms demonstrated idiopathic granulomatous angiitis. In patients with MRI features of diffuse white matter disease of uncertain etiology, open brain biopsy of leptomeninges and parenchyma should be considered to exclude idiopathic granulomatous angiitis of the CNS.
authors.affiliation: Department of Neurology, Hartford Hospital, University of Connecticut School of Medicine, USA.
authors.forename: P F
authors.initials: PF
authors.lastname: Finelli
authors.forename: H C
authors.initials: HC
authors.lastname: Onyiuke
authors.forename: D F
authors.initials: DF
authors.lastname: Uphoff
mesh_terms: D001706:Biopsy; D001921:Brain / Q000000981:diagnostic imaging / Q000473:pathology; D002561:Cerebrovascular Disorders / Q000175:diagnosis*; D003937:Diagnosis, Differential; D006099:Granuloma / Q000175:diagnosis*; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D014057:Tomography, X-Ray Computed; D014657:Vasculitis / Q000175:diagnosis*