Hemiballismの責任病巣と予後について--CT像にて前頭頭頂葉に病巣が認められた一例の報告と考察

概要

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Hemiballism of the right limbs developed after cerebral infarction in an 83-year-old female patient. On admission, examination revealed hemiballism of the right limbs, monologia, disorientation of thought and motor skills, irritability and the absence of DTR in the right upper limb. Without aggressive treatment, however, involuntary movement disappeared after 18 days, and she was discharged on her own power. CT scan demonstrated a low density area in the left fronto-parietal lobe. However, no obvious abnormality in bilateral subthalamic nuclei was observed. Although the contralateral subthalamic body of Luys is involved in most instances, lesions have been reported to exist in the cerebral cortex, thalamus, corpus striatum, internal capsule and brain stem in some cases. The prognosis for this disease has been generally considered to be fatal. However, this case demonstrated an atypical lesion in CT scan, and spontaneous recovery from hemiballism took place within three weeks. Previous reports on hemiballism were reviewed, and responsive lesions and the prognosis for this case were discussed.
学校法人昭和大学・昭和医学会の論文