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MR Spectroscopy in the Diagnosis of Cerebral Amyloid Angiopathy Presenting as a Brain Tumor AJNR 25:1705-1708, Safriel,Y.,et al, 2004 See this aricle in Pubmed Article Abstract We present two cases of focal, tumefactive, masslike lesions of diffuse cerebral amyloid angiopathy (CAA) that presented as areas of increased signal intensity on long TR sequences without contrast enhancement or restricted diffusion. MR spectroscopy revealed normal metabolite ratios and unremarkable spectra. Pathologic tissue showed CAA and CAA with angiitis of the CNS. Tumefactive CAA is a rare condition, and we describe its characteristics at MR spectroscopy and diffusion-weighted imaging.

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(click to filter results - removes previous filter) amyloid angiopathy,cerebral amyloid angiopathy,cerebral,inflammatory type amyloid angiopathy,cerebral,tumefactive angiitis CAT scan,mass effect on cerebral edema,vasogenic mimics misdiagnosis MRI,abnormal MRI,mass effect on MRS neoplasm,primary of CNS-differential diagnosis neurologic disease,diagnoses of seizure vasculitides

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