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자기공명 T2강조영상에서 뇌량의 비종양성 고신호강도의 분석
강무송 대한영상의학회 1995 대한영상의학회지 Vol.32 No.4
Purpose: To evaluate high signal intensity of nontumorous conditions of corpus callosum on T2-weighted MRimages. Materials and Methods: Fourty nine patients with nontumorous high signal intensities involving corpuscallosum on sagittal T2-weighted image were restrospectively analyzed. Nontumorous condition of corpus callosumwere diffuse axonal injury(DAI, 19 cases), cerebral infarctions(16 cases), multiple sclerosis(MS, 5 cases),Wilson's disease(2 cases) and hydrocephalus(7 cases) that were diagnosed by clinical and MR findings. Numbers,configuration, involved thickness and sites of high signal intensities of corpus callosum were analyzed. Results:DAI and infarctions showed either single or multiple lesions. MS and hydrocephalus showed multiple lesions, butWilson's diseases showed single lesion. In DAI, infarctions and MS the lesions involved any part of corpuscallosum, splenium in WIlson's disease, and all parts of corpus callosum in hydrocephalus. Wilson's disease showedonly partial thickness involvement, and others involved partial or full thickness of corpus callosum.Configuration of high signal intensity was linear in almost cases of hydrocephalus, and oval in Wilson's disease,and oval and confluent in MS, and variable in DAI and infarctions. Conclusion: High signal intensities ofnontumorous conditions of corpus callosum revealed variable findings, and therefore, analysis of nontumorous highsignal intensities of corpus callosum is not made by only MR findings but by conjuction with clinical aspects.