Acute symptomatic seizures and hippocampus damage: DWI and MRS findings.

Parmar, Hemant; Lim, Shih-Hui; Tan, Nigel C K; Lim, C C Tchoyoson · Neurology · 2006

case_series · Level IV

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Abstract

The authors describe diffusion-weighted imaging (DWI) and magnetic resonance spectroscopy (MRS) changes in the hippocampus within 48 hours of acute symptomatic seizures or status epilepticus in 12 patients. DWI showed increased signal and a decreased apparent diffusion coefficient (ADC) in all patients, with corresponding lactate detected on MRS in six patients and EEG seizure activity in nine patients. On follow-up, the atrophic hippocampus had an increased ADC in six patients. DWI and MRS may predict development of hippocampal sclerosis.

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