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For a patient with temporal lobe epilepsy whose seizures are unilateral and who has mesial temporal sclerosis (MTS) on magnetic resonance imaging (MRI), the possibility exists for surgical cure (as opposed to pharmacological management) of refractory and disabling seizures. The cost will include a craniotomy, a short postoperative intensive-care unit stay, and some routine surgical risks. Recent research on radiosurgical alternatives has raised the question of whether seizure relief can be had without resorting to knives, drills, and incisional discomfort. Researchers have previously reported a 3-year seizure-remission rate of 69% in 29 such patients at 36 months after both high- and low-dose stereotactic radiosurgery to the same targets tr…