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(Stroke. 1996;27:1679-1681.)
© 1996 American Heart Association, Inc.

Articles

Infarction of Superior Cerebellar Artery Presenting as Cerebellar Symptoms

Shin-ichi Terao, MD; Gen Sobue, MD; Masayuki Izumi, MD; Naofumi Miura, MD; Akio Takeda, MD Terunori Mitsuma, MD

the Division of Neurology, Fourth Department of Internal Medicine, Aichi Medical University (S.T., M.I., T.M.); the Department of Neurology, Nagoya University School of Medicine (G.S.); and the Department of Neurology, Nagoya National Hospital (N.M., A.T.) (Japan).

Correspondence to Gen Sobue, MD, Department of Neurology, Nagoya University School of Medicine, Nagoya 466, Japan.

Background MRI of the brain has facilitated the diagnosis of cerebellar infarction in the territory of the superior cerebellar artery (SCA). We analyzed the data on patients with SCA infarction who presented with only cerebellar symptoms in an attempt to define its underlying pathophysiology.

Summary of Report Ten patients with SCA infarction who presented with cerebellar symptoms were studied by brain MRI, angiography, and underlying pathology. Brain MRI demonstrated an infarct in the SCA territory in the anterior rostral cerebellum of all patients. None had abnormalities in the brain stem. In four patients, a hemorrhagic infarct was present in the same region. Cerebral angiography revealed no obvious SCA occlusion or atherosclerotic vascular disease in any patient. Eight of the 10 patients had heart disease, such as atrial fibrillation or old myocardial infarction. The presumed diagnosis was occlusion of the SCA in its periphery due to cardiogenic embolism.

Conclusions When a patient presents with only cerebellar symptoms and has cerebellar infarction demonstrated by brain MRI, the SCA branch is probably occluded by cardiogenic embolism.

Key Words: cerebellar infarction • cerebral arteries • embolism • magnetic resonance imaging

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