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Hemiballismus:CT and MR Findings J Comput Assist Tomogr 19:537-540, Provenzale,J.M.&Glass,J.P., 1995 See this aricle in Pubmed Article Abstract A lesion likely to account for hemiballismus was found in five patients (contralateral subthalamic nucleus in four patients,contralateral putamen in out patient).Causes of hemiballismus included infarction(one patient), hemorrhage(two patients),trauma(one patient),and an abscess(one patient).A responsible lesion was detected in all five patients who underwent MRI.In one patient who underwent CT alone,a responsible lesion was not identified.A lesion responsible for hemiballistic movements can generally be found on cross-sectional imaging examinations.Because the multiplanar imaging capability of MR appears to allow for sensitive detection of even small lesions in sites likely to cause hemiballismus,MRI offers the best means of imaging these patients.

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(click to filter results - removes previous filter) CAT scan CAT scan,abnormal hemiballismus movement disorder MRI MRI,abnormal putamen,lesion of subthalamic nucleus

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