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RT Journal Article
SR Electronic
T1 Prominent Matched Hypoperfusion in an Intact Cerebellum after a Solitary Middle Cerebellar Peduncle Infarct
JF American Journal of Neuroradiology
JO Am. J. Neuroradiol.
FD American Society of Neuroradiology
SP 1356
OP 1358
VO 23
IS 8
A1 Takasawa, Masashi
A1 Kitagawa, Kazuo
A1 Ohtsuki, Toshiho
A1 Oku, Naohiko
A1 Hashikawa, Kazuo
A1 Sakoda, Saburo
A1 Hori, Masatsugu
A1 Matsumoto, Masayasu
YR 2002
UL http://www.ajnr.org/content/23/8/1356.abstract
AB Summary: We examined the cerebellar metabolism of a 61-year-old man with a small infarct in the left middle cerebellar peduncle and an intact cerebellum. Positron emission tomographic images obtained 28 days after onset showed prominent hypoperfusion and hypometabolism (almost 50% below the normal level) in the left cerebellar hemisphere. This case report shows that neural deafferentation may cause prominent hypometabolism without morphologic changes in the cerebellum. An arrest in synaptic activity may be the most important factor for the adaptive decrease in oxygen metabolism seen in ischemic brain.