Neurosurgery
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Diffusion tensor (DT) imaging-based fiber tracking is a noninvasive magnetic resonance technique that can delineate the course of white matter fibers. ⋯ DT imaging-based fiber tracking is a reliable and accurate method for mapping the course of subcortical PTs. Fiber tracking and intraoperative MEPs were useful for preserving motor function in patients with gliomas near the PT.
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Outcome of lumbar disc herniation is often based on clinical scores and less frequently on the neurological examination. However, even when clinical outcome measures are favorable, patients may still experience motor or sensory impairment. ⋯ There seems to be no correlation between clinical results and neurological impairment when assessed by the VAS and ODI.
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Trigeminal neuralgia (TN) may recur after treatment by gamma knife stereotactic radiosurgery (GKSR). ⋯ Repeat GKSR provides a similar rate of pain relief as the first procedure. The best responses were observed in patients who had good pain control after the first procedure and those who developed new sensory dysfunction in the affected trigeminal distribution.