Neurosurgery
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To illustrate how an understanding of the basic biological responses of peripheral nerves to injury is important in formulating a rational treatment plan. ⋯ The diagnosis and treatment of peripheral nerve injuries follow logically from an understanding of the biological responses of peripheral nerves after injury and during recovery.
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Lesions within the brain are commonly sampled using stereotactic techniques. The advent of interventional magnetic resonance imaging (MRI) now allows neurosurgeons to interactively investigate specific regions, with exquisite observational detail. We evaluated the safety and efficacy of this new surgical approach. ⋯ Interventional 1.5-T MRI is a safe and effective method for evaluating lesions of the brain. Magnetic resonance spectroscopic targeting is likely to augment the diagnostic yield of brain biopsies.