Journal of neuroimaging : official journal of the American Society of Neuroimaging · 2011
Infarction limited to both middle cerebellar peduncles.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Kataoka Hiroshi, Izumi Tesseki, Kinoshita Satoko, Kawahara Makoto, Sugie Kazuma, Ueno Satoshi
Аннотация
BACKGROUND: The middle cerebellar peduncle (MCP) is supplied mainly by the anterior inferior cerebellar artery and partly by the superior cerebellar artery. The bilateral MCP infarctions in previous patients were attributed to alternations of two vessels, such as the unilateral vertebral artery and basilar artery or both vertebral arteries.
METHODS: We describe a case of bilateral acute infarction of the MCP and the stroke was apparently caused by occlusion of only one vertebral artery.
RESULTS: A 63-year-old man presented with vertigo and auditory distortion, accompanied by difficulty in speaking and walking. Neurological examinations revealed bilateral horizontal nystagmus, scanning speech, and ataxia of the trunk and all four limbs. Brain MRI showed high signal intensity in the both MCPs on diffusion-weighted and T2-weighted images. Enhanced computed tomographic angiography showed fusiform dilatation at the V4 level of the right vertebral artery; a false lumen was evident in the dilatation. Right vertebral angiography showed occlusion from the C1 level to the foramen magnum. Left vertebral angiography revealed a hypoplastic vertebral artery with a maximum diameter of 2.5 mm.
CONCLUSIONS: Alternations of the vertebral artery should be considered as a possible cause of MCP infarction, particularly when such anomalies are suggested.
METHODS: We describe a case of bilateral acute infarction of the MCP and the stroke was apparently caused by occlusion of only one vertebral artery.
RESULTS: A 63-year-old man presented with vertigo and auditory distortion, accompanied by difficulty in speaking and walking. Neurological examinations revealed bilateral horizontal nystagmus, scanning speech, and ataxia of the trunk and all four limbs. Brain MRI showed high signal intensity in the both MCPs on diffusion-weighted and T2-weighted images. Enhanced computed tomographic angiography showed fusiform dilatation at the V4 level of the right vertebral artery; a false lumen was evident in the dilatation. Right vertebral angiography showed occlusion from the C1 level to the foramen magnum. Left vertebral angiography revealed a hypoplastic vertebral artery with a maximum diameter of 2.5 mm.
CONCLUSIONS: Alternations of the vertebral artery should be considered as a possible cause of MCP infarction, particularly when such anomalies are suggested.