Magnetic Resonance Neurography in a Patient with Distal Neuralgic Amyotrophy
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- Nagao Ryunosuke
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Ishikawa Tomomasa
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Mizutani Yasuaki
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Niimi Yoshiki
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Shima Sayuri
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Ito Mizuki
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Murayama Kazuhiro
- Department of Radiology, Fujita Health University School of Medicine, Japan
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- Toyama Hiroshi
- Department of Radiology, Fujita Health University School of Medicine, Japan
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- Ueda Akihiro
- Department of Neurology, Fujita Health University School of Medicine, Japan
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- Watanabe Hirohisa
- Department of Neurology, Fujita Health University School of Medicine, Japan
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抄録
<p>The pathophysiology of neuralgic amyotrophy (NA) remains to be elucidated. However, high-resolution magnetic resonance imaging and ultrasound sonography have provided new insights into the mechanism underlying the development of NA and its diagnosis. We report a case of idiopathic distal NA with hyperintensity and thickening in the inferior trunk extending to the posterior and medial fasciculus of the left brachial plexus, which was detected by magnetic resonance neurography (MRN) with diffusion-weighted whole-body imaging with background body signal suppression (DWIBS). The abnormal signal intensity diminished after the improvement of symptoms following corticosteroid treatment. MRN with DWI can help diagnose distal NA and evaluate the post-therapeutic response. </p>
収録刊行物
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- Internal Medicine
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Internal Medicine 60 (11), 1759-1761, 2021-06-01
一般社団法人 日本内科学会
