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AJNR - American Journal of Neuroradiology

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Prominent Matched Hypoperfusion in an Intact Cerebellum after a Solitary Middle Cerebellar Peduncle Infarct

Masashi Takasawa^a,b, Kazuo Kitagawa^a,b, Toshiho Ohtsuki^a,b, Naohiko Oku^a,c, Kazuo Hashikawa^a,c, Saburo Sakoda^a, Masatsugu Hori^b and Masayasu Matsumoto^a,b

^a Department of Neurology and Cerebrovascular Disease, Osaka University Hospital, Osaka, Japan
^b Division of Strokology, Department of Internal Medicine and Therapeutics, Osaka University Graduate School of Medicine, Osaka, Japan
^c Department of Nuclear Medicine, Osaka University Graduate School of Medicine, Osaka, Japan

View larger version (54K): [in a new window]   FIG 1. MR images obtained 24 days after symptom onset show an infarct strictly confined to the left middle cerebellar peduncle (arrow). No definite infarctions are visible in the cerebral hemisphere or the left cerebellar hemisphere on T2-weighted images. Rt., right; Lt., left.

View larger version (60K): [in a new window]   FIG 2. Positron emission tomographic images obtained 28 days after symptom onset show severe hypoperfusion (arrows) and oxygen hypometabolism (arrowheads) in the left cerebellar hemisphere. CBF, cerebral blood flow; CMRO2, cerebral metabolic oxygen rate.