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J Korean Assoc EMG Electrodiagn Med 2006;8(1):62-66.
Published online May 10, 2006.
A Case of Neuralgic Amyotrophy of the Lumbosacral Plexus
Abstract
Neuralgic amyotrophy of the lumbosacral plexus is an idiopathic lumbosacral plexopathy characterized by acute onset of pain, followed by weakness in the lower limb, loss of stretch reflexes, and sometimes atrophy of affected muscles. This is known as a disorder quite similar to neuralgic amyotrophy involving the brachial plexus. Prognosis has been reported to be good with gradual recovery. We describe a 40-year-old man presenting symptoms of neuralgic amyotrophy of the lumbosacral plexus. Electrodiagnostic studies revealed a patchy denervation of superior gluteal nerve, inferior gluteal nerve, and peroneal compartment of sciatic nerve, sparing the paraspinal muscles.
Key Words: Neuralgic amyotrophy, Lumbosacral plexus, Electromyography


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