Volume 45, Issue 4 pp. 526-529
Brief Communication

Progressive hippocampal atrophy in chronic intractable temporal lobe epilepsy

Terence J. O'Brien MB BS, FRACP

Terence J. O'Brien MB BS, FRACP

Department of Neurology, Mayo Clinic, Rochester, MN

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Elson L. So MD

Corresponding Author

Elson L. So MD

Department of Neurology, Mayo Clinic, Rochester, MN

Section of Electroencephalography, Department of Neurology, Mayo Clinic, 200 First St SW, Rochester, MN 55905Search for more papers by this author
Fredrick B. Meyer MD

Fredrick B. Meyer MD

Department of Neurosurgery, Mayo Clinic, Rochester, MN

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Joseph E. Parisi MD

Joseph E. Parisi MD

Department of Pathology, Mayo Clinic, Rochester, MN

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Clifford R. Jack MD

Clifford R. Jack MD

Department of Radiology, Mayo Clinic, Rochester, MN

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Abstract

We report on a 28-year-old man with long-standing intractable complex partial and secondary generalized seizures, whose magnetic resonance imaging scans 4 years apart documented progressive decrease in the left hippocampal volume. Left anterior temporal lobectomy with amygdalohippocampectomy rendered the patient seizure free at 12 months' follow-up. The findings demonstrate that patients with uncontrolled temporal lobe seizures may develop progressive atrophy of the hippocampus, in the absence of status epilepticus. Ann Neurol 1999;45:526–529

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