Crossed cerebellar hyperperfusion in symptomatic epilepsy--two case reports.
A 74-year-old female with cerebral infarction and a 78-year-old female with cerebral glioblastoma suffered complex partial seizure. Ictal perfusion single photon emission computed tomography in these patients showed the interesting phenomenon of 'crossed cerebellar hyperperfusion,' a reversed crossed cerebellar diaschisis. The mechanism is probably spread of electrical seizure through efferent projections, and may be related to the cerebellar atrophy seen in patients with long-standing partial epilepsy.
Umemura
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A
Department of Neurosurgery, Hamamatsu Social Insurance Hospital, Shizuoka, Japan.
Suzuka
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T
D000368:Aged; D002531:Cerebellum / Q000098:blood supply* / Q000000981:diagnostic imaging; D002560:Cerebrovascular Circulation; D017029:Epilepsy, Complex Partial / Q000175:diagnosis / Q000503:physiopathology*; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D015899:Tomography, Emission-Computed, Single-Photon