Sanjuan-Cervero Rafael, Peña-Molina Fernando, Franco-Ferrando Nuria
Orthopedics and Trauma Surgery Unit, Hospital de Denia, Denia, Alicante, Spain.
J Hand Surg Glob Online. 2022 Dec 22;5(4):585-587. doi: 10.1016/j.jhsg.2022.11.002. eCollection 2023 Jul.
Ulnar nerve compression associated with the anconeus epitrochlearis muscle (AE) is an uncommon cause of peripheral nerve compression at the elbow. It is often seen in young women with a hypertrophied or severely edematous muscle. Its causes are unclear. Numerous observed features, such as a hypertrophic AE, a palpable mass on the medial side of the elbow, and the dynamic nature of symptoms, have sparked controversy in the literature. Its clinical presentation is often insidious, and occasionally symptoms only occur in prolonged positions (dynamic compression). EMG tests are usually negative, and a correct diagnosis relies on imaging. We present the case of a 21-year-old student and clarinet player who presented with dynamic compression of the ulnar nerve at the elbow associated with AE. Much remains to be elucidated about the incidence, pathophysiology, and contributing factors of this peripheral form of cubital compression. It may be time to revisit this condition.
与肱三头肌内侧头（AE）相关的尺神经卡压是肘部周围神经卡压的一种罕见原因。它常见于肌肉肥大或严重水肿的年轻女性。其病因尚不清楚。许多观察到的特征，如肥大的AE、肘部内侧可触及的肿块以及症状的动态变化性质，在文献中引发了争议。其临床表现通常较为隐匿，偶尔症状仅在长时间姿势时出现（动态卡压）。肌电图检查通常为阴性，正确的诊断依赖于影像学检查。我们报告了一名21岁学生兼单簧管演奏者的病例，该患者因AE导致肘部尺神经动态卡压。关于这种周围型肘管卡压的发病率、病理生理学和相关因素，仍有许多有待阐明之处。或许是时候重新审视这种疾病了。
