J Korean Neurol Assoc.
1993 Dec;11(4):498-504.
Crossed cerebello-cerebral diaschisis in cerebellar infraction
- Affiliations
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- 1Department of Neurology, College of Medicine, Seoul National University, Korea.
- 2Department of Nuclear Medicine, College of Medicine, Seoul National University, Korea.
Abstract
- After supratentorial infarction. Crossed cerebellar diaschisis has been described. And there was also a report of crossed cerebral diaschisis in cerebellar infarction as a rare phenomenon. We analyzed 36 patients with cerebellar ischemic stroke by using 99mTc-HMPAO single photon emission computed tomography (SPECT). All the patients showed depression of perfusion on the side of cerebellum. Among them, contralateral cerebral reduced uptake was also observed in 8 patients (22%). Uhich showed marked reduction in frontoparietal junction area (especially premotor area). SPECTs were done relatively earlier in those patients(diaschisis +: N=8) than the others(diaschisis -; N=28). They comprised 6 patients of posterior inferior cerebellar arterial territory infarction. One patient in anterior inferior cerebellar artery and one in superior cerebellar artery. Six patients were followed-up by second SPECT images. Most of the depressed perfusions (primary lesions and diaschisis areas) were improved with functional recovery at the follow-up SPECT images.
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