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(Radiology. 1999;210:558-562.)
© RSNA, 1999

Technical Developments

Crossed Cerebellar Diaschisis: Assessment with Dynamic Susceptibility Contrast MR Imaging

Hiroki Yamada, MD1, Yoshio Koshimoto, MD1, Norihiro Sadato, MD2, Yukio Kawashima, RT3, Masato Tanaka, RT1, Chika Tsuchida, MD1, Masayuki Maeda, MD1, Yoshiharu Yonekura, MD2 and Yasushi Ishii, MD1

1 Department of Radiology (H.Y., Y.Koshimoto, M.T., C.T., M.M., Y.I.)
2 Biomedical Imaging Research Center (N.S., Y.Y.), Fukui Medical University, 23 Shimoaizuki, Matsuoka, Yoshida, Fukui, 910-11, Japan
3 Department of Radiology, Obama Hospital, Fukui, Japan (Y.Kawashima).

The authors investigated the feasibility of using T2-weighted, half-Fourier rapid acquisition with relaxation enhancement, or RARE, dynamic susceptibility contrast magnetic resonance (MR) imaging to depict crossed cerebellar diaschisis. In 10 patients after unilateral supratentorial stroke, crossed cerebellar diaschisis was demonstrated in the relative regional cerebellar blood volume maps obtained with MR imaging. Cerebellar blood volume values for the nonaffected cerebellar hemisphere were significantly larger than those for the affected side (P = .0003).

Index terms: Blood, flow dynamics, 153.12112, 153.121412, 17.12112, 17.121412 • Brain, blood flow, 10.12144, 10.919, 153.919 • Brain, infarction, 10.78 • Brain, perfusion, 10.12144, 10.919, 153.919 • Magnetic resonance (MR), perfusion study, 153.12112




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