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Value of MRS in the differential diagnosis of corpus callosum lesions
Author(s): LI Quan, BIAN Jia, WANG Ping, TANG Xiao, LI Jun
Pages: 985-
987
Year: 2017
Issue:
7
Journal: Journal of Practical Radiology
Keyword: corpus callosum; magnetic resonance spectroscopy;
Abstract: Objective To explore the value of multivoxel 1H-MRS in the differential diagnosis of corpus callosum lesions.Methods 17 patients with corpus callosum lesions confirmed by clinical or pathological method underwent MRS examination.These patients included 2 cases of lymphoma,4 cases of Marchiafava-Bignami disease,3 cases of glioma, 7 cases of infarction,and 1 case of multiple sclerosis.MRS features of lesions were analyzed.Results 2 cases with corpus callosum lymphoma revealed significantly increased Cho peak, decreased Cr and NAA peak,towering Lip peak.Among 4 cases with Marchiafava-Bignami diseases, 2 cases revealed increased Cho/Cr and decreased NAA/Cr,1 case showed normal,1 case revealed inverted Lac peak.For 3 cases with corpus callosum glioma,NAA peak decreased or disappeared,and Cho peak increased in varying degrees.7 cases with corpus callosum infarction revealed significant inverted Lac peak, and NAA peak decreased in varying degrees.1 case of multiple sclerosis revealed increased Cho peak,decreased NAA peak,and inverted Lac peak during acute period with enhancement,while these features returned normal during inactive period.Conclusion Multivoxel 1H-MRS plays an important role in the differential diagnosis of corpus callosum lesions.
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