| 摘 要： | 63 cases of cerebellar infarctionwithout signs of localization diagnosed by MR imaging were analyzed. A high incidence wasfound. Its clinical characteristics were those of vertebrobasilar transient ischemicattacks (TLA), brainstem infarction, and vascular disease of internal carotid artery. Thelocation of the infarction, were most commonly seen in the watershed of the posteriorinferior cerebellar artery (PICA) and the superior cerebellae artery (SCA). The second wasin the area of PICA and SCA, and less common in the region of the anterior inferiorcerebellar artery (AICA). The sizes of most lesions were mainly lacumar infarction. Twentyfour cases were accompanied with brainstem infarction.
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