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Crossed Cerebellar Diaschisis in Cerebral Infarction: Correlation of SPECT and Clinical Features

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Authors
kim, Sang Eun; Yoon, Byung-Woo; Choi, Chang Woon; Lee, Dong Soo; Chung, June-Key; Roh, Jae Kyu; Lee, Myung Chul; Koh, Chang-Soon
Issue Date
1993-12
Publisher
Seoul National University College of Medicine
Citation
Seoul J Med 1993;34(4):253-264
Keywords
Crossed cerebellar diaschisisCerebral infarctionSPECT99mTc-HMPAO
Abstract
Patients with supratentorial cerebral infarction frequently show depressed metabolic activity in the contralateral cerebellar hemisphere which is known as crossed cerebellar diaschtsisfCt.D). In order to investigate the relationship between this
phenomenon and the characteristics of the supratentorial lesion, we retrospectively evaluated the findings of 99mTc-HMPAO single photon emission computed tomography(SPECT) in 26 patients with a single supratentorial infarction lesion. A cerebellar asymmetry
index (AIcbll), percent difference between both cerebellar hemispherestzx'Scbll],SPECT volume deficit (SVD), and magnetic resonance volume deficit (MVD) were quantitated. A CCD, defined as AIcbll >12%, was observed in 12 of the 26 patients (46.2%). No correlation was found between the ~%cbll and duration of disease, SVD, or MVD. SVD and MVD values showed no significant difference between CCD positive and negative groups (71+47ml \IS. 70+68ml and 90+84ml \IS. 67+77ml,
respectively). Patients with frontoparietal lobe or deep middle cerebral artery territory infarctions showed a significantly higher incidence of CCD and lower ~%cbll values. Patients with severe hemiparesis had a higher incidence of CCD and lower ~%cbll values than those with milder or no hemiparesis (incidence, 5/5 \IS. 6/18, p=0.008; ~ %cbll,-21. 4+3.8% \IS -8. 3±11. 1%, p=O. 014). None of the 12 patients with CCD showed clinical signs of cerebellar dysfunction. In conclusion, the location rather than the extent of the lesion appears to be the major determinant for the occurrence and magnitude of CCD in stroke patients.
ISSN
0582-6802
Language
English
URI
http://hdl.handle.net/10371/5568
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College of Medicine/School of Medicine (의과대학/대학원)Dept. of Medicine (의학과)The Seoul Journal of MedicineThe Seoul Journal of Medicine Vol. 34 No.4 (1993)
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