Normalization of contralateral metabolic function following temporal lobectomy demonstrated by 1H magnetic resonance spectroscopic imaging.
We studied 10 medically intractable temporal lobe epilepsy (TLE) patients prior to surgery using proton magnetic resonance spectroscopic imaging (MRSI) to localize seizure foci. We found significantly elevated creatine/N-acetylaspartate (Cr/NAA) unilaterally in 8 and bilaterally in 2 patients. Five patients have been studied again 1 year after surgery. In the 2 patients with bilateral temporal seizure onsets, MRSI showed normalization of Cr/NAA in the unoperated contralateral tissue following surgical elimination of seizures. This study suggests that metabolic recovery can occur in contralateral temporal areas following surgical treatment of partial epilepsy.
Hugg
J W
JW
UAB Epilepsy Center, Department of Neurology, University of Alabama at Birmingham 35294-0021, USA.
Kuzniecky
R I
RI
Gilliam
F G
FG
Morawetz
R B
RB
Fraught
R E
RE
Hetherington
H P
HP
D000328:Adult; D001224:Aspartic Acid / Q000031:analogs & derivatives / Q000378:metabolism; D001921:Brain / Q000378:metabolism*; D002531:Cerebellum / Q000378:metabolism; D003404:Creatinine / Q000378:metabolism; D004833:Epilepsy, Temporal Lobe / Q000601:surgery*; D005260:Female; D007839:Functional Laterality; D006624:Hippocampus / Q000378:metabolism; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D010725:Phosphocreatine / Q000378:metabolism; D013702:Temporal Lobe / Q000378:metabolism / Q000601:surgery*
D010725:Phosphocreatine; D001224:Aspartic Acid; C000179:N-acetylaspartate; D003404:Creatinine