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首页> 外文期刊>Experimental and therapeutic medicine >Intramuscular schwannoma of the musculocutaneous nerve: An uncommon clinical presentation
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Intramuscular schwannoma of the musculocutaneous nerve: An uncommon clinical presentation

机译：肌肉皮肤神经的肌肉内氏妇女：罕见的临床介绍

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摘要

A schwannoma is a benign peripheral nerve sheath tumor composed exclusively of Schwann cells. A major-nerve schwannoma with an intramuscular location is an extremely rare condition. We present a rare case of intramuscular schwannoma originating from the musculocutaneous nerve in a 71-year-old female. The patient presented with a 7-month history of a slowly growing, painless mass in the medial aspect of the proximal upper arm. Magnetic resonance imaging revealed an oval-shaped intramuscular soft tissue mass with iso-signal intensity relative to skeletal muscle on T1-weighted images and high signal intensity on T2-weighted images. A rim of fat surrounding the mass, suggesting the split-fat sign, was also observed. The tumor was completely enucleated using an intracapsular technique. Histological examination confirmed the diagnosis of schwannoma consisting of Antoni A and B areas. There was no immediate neurological deficit following surgery. The patient had no evidence of local recurrence and no neurological deficit at final follow-up. To the best of our knowledge, this is the first report of musculocutaneous nerve schwannoma within the coracobrachialis muscle.
机译：施武南瘤是一个独家施旺细胞组成的良性外周神经鞘瘤。具有肌内位置的主要神经氏妇瘤是一种极其罕见的病情。我们在71岁的女性中提出了初始肌肉内神经肌肉内神经的病例。患者介绍了7个月的近端臂的内侧方面缓慢生长的7个月历史悠久的肿块。磁共振成像显示椭圆形肌肉软组织物质，其相对于T1加权图像上的骨骼肌和T2加权图像上的高信号强度。还观察到肿块周围的脂肪边缘，表明分裂脂肪标志。使用骨科技术完全肿瘤完全诱使。组织学检查证实了施瓦瘤的诊断由安东尼A和B领域组成。手术后没有立即神经缺陷。患者没有局部复发的证据，并且在最终随访中没有神经缺陷。据我们所知，这是Coracobrachialis肌肉内肌肉皮神经施瓦脉的第一个报告。

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