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J Electrodiagn Neuromuscul Dis > Volume 20(2); 2018 > Article
J Korean Assoc EMG Electrodiagn Med 2018;20(2):124-129.
DOI: https://doi.org/10.18214/jkaem.2018.20.2.124    Published online December 30, 2018.
Neuralgic Amyotrophy of the Lower Extremity in a Neuropsychiatric Patient: A Case Report
Received: 14 May 2018   • Revised: 1 August 2018   • Accepted: 17 September 2018
Abstract
Neuralgic amyotrophy (NA) is an idiopathic disease characterized by muscular atrophy accompanied by neuralgia, where acute pain in the limb, mostly including the shoulders, leads to muscle weakeness and atrophy in the limb days to weeks after the onset of pain. Although its exact pathogenesis is unknown, genetic and nongenetic factors, such as infection, surgery, and trauma are suspected contributors. We report this case as we diagnosed NA of the right lower limb via enhanced MRI as well as EMG and have followed up the patient’s prognosis and radiologic changes for one and a half years. In addition, the patient had been diagnosed with neuropsychiatric disorders, such as major depressive disorder and somatic symptom disorder.
Key Words: neuralgic amyotrophy, idiopathic lumbosacral plexus neuritis


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