Contralateral Hyperperfusion on Single Photon Emission ComputedTomograhy (SPECT) in the Patient with Todd’s Paralysis

J Korean Neurol Assoc > Volume 18(6); 2000 > Article

Journal of the Korean Neurological Association 2000;18(6): 774-778.

단광자방출단층촬영에서 반대측 대뇌 반구에혈류 증가를 보인 Todd 마비 환자 1예

양용석, 김종기이김병채이김명규이조기현이송호천*

전남대학교 의과대학 신경과학교실,핵의학교실*

Contralateral Hyperperfusion on Single Photon Emission ComputedTomograhy (SPECT) in the Patient with Todd’s Paralysis

Yong-Seok Yang, M.D., Jong-Gi Kim, M.D., Byeong-Chae Kim, M.D.,Myeong-Kyu Kim, M.D., Ki-Hyun Cho, M.D., Ho-Cheon Song, M.D.*

Department of Neurology, Nuclear Medicine*, Chonnam National University College of Medicine

Abstract

It has been known that the usual findings of SPECT in patients with Todd’s paralysis is the hypoperfusion of the cor-responding hemisphere. We experienced a patient who developed transient hemiparesis after a seizure attack with hyperperfusion rather than hypoperfusion over the corresponding hemisphere on brain SPECT. A 36-year-old female presented with left hemiparesis after a secondarily generalized tonic seizure. No additional seizure-like attack was noted during admission. EEG showed intermittent focal slow waves over the right frontotemporal area on admission and returned to a normal pattern 72 hours after admission. Tc-99m ECD SPECT showed hyperperfusion on the right fron-toparietal area in spite of the normalization of EEG. The degree of hyperperfusion was diminished as time passed for at least 72 hours. We report a patient who had Todd’s paralysis associated with contralateral frontoparietal hyperperfusion. Todd’s paralysis may be explained as the result of focal discharges that lead to local vasomotor changes. J Korean Neurol Assoc 18(6):774~778, 2000Key Words : Todd’s paralysis, Brain SPECT, Hyperperfusion