title: Methotrexate leukoencephalopathy mimicking cerebral abscess on CT brain scan.
abstract: A case is reported of methotrexate leukoencephalopathy presenting as an intracerebral rim-enhancing mass lesion of CT scan. The implications of this rare presentation of methotrexate leukoencephalopathy for therapy are discussed.
authors.affiliation: Department of Radiology, University of British Columbia, Vancouver, Canada.
authors.forename: K J
authors.initials: KJ
authors.lastname: Poskitt
authors.forename: P
authors.initials: P
authors.lastname: Steinbok
authors.forename: O
authors.initials: O
authors.lastname: Flodmark
mesh_terms: D001922:Brain Abscess / Q000000981:diagnostic imaging*; D001927:Brain Diseases / Q000139:chemically induced / Q000000981:diagnostic imaging* / Q000601:surgery; D002648:Child; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007945:Leukemia, Lymphoid / Q000188:drug therapy; D008727:Methotrexate / Q000009:adverse effects*; D014057:Tomography, X-Ray Computed
chemical_list: D008727:Methotrexate