肘管综合征尺神经的超声评估：解剖、正常和异常表现以及术后方面
Ultrasound evaluation of the ulnar nerve in cubital tunnel syndrome: anatomy, normal and abnormal findings, and postoperative aspects.
摘要(中文译文)
肘管综合征是上肢第二常见的压迫性神经病，仅次于腕管综合征，由尺神经在肘部周围受到卡压所致。高分辨率超声因其出色的空间分辨率、动态评估能力以及在临床实践中的广泛可及性，已成为核心诊断手段。本综述提供了关于肘管综合征中尺神经超声评估的整合性最新概述，详细阐述了相关解剖结构、特征性正常与病理表现以及术后随访中的关键注意事项。尺神经可在多个解剖部位受到压迫，包括Struthers弓、肱骨髁后沟、肘管内的Osborne韧带以及尺侧腕屈肌两头之间的腱膜。典型的超声异常表现包括神经局限性或节段性增粗、正常束状结构的破坏或消失以及回声改变。超声检查中的动态操作可进一步识别神经半脱位、脱位或在内上髁上方的弹跳，这些均可能导致临床症状。术后超声评估对于检测原位减压、内上髁切除术或前移术后的并发症或持续性压迫日益重要。因此，标准化且可重复的超声检查方案对于准确诊断、恰当处理和随访至关重要。放射科医师在这一多学科方法中发挥着关键作用，通过提供详细的影像学评估来指导手术决策并帮助优化患者预后。
Abstract
Cubital tunnel syndrome is the second most common compressive neuropathy of the upper limb after carpal tunnel syndrome and results from entrapment of the ulnar nerve around the elbow. High-resolution ultrasound has become a central diagnostic modality because of its excellent spatial resolution, capacity for dynamic assessment, and broad availability in clinical practice. This review offers an integrated and updated overview of the ultrasonographic evaluation of the ulnar nerve in cubital tunnel syndrome, detailing relevant anatomy, characteristic normal and pathological appearances, and key considerations in postoperative follow-up. The ulnar nerve may be compressed at several anatomical sites, including the arcade of Struthers, the retrocondylar groove, Osborne's ligament within the cubital tunnel, and the aponeurosis between the two heads of the flexor carpi ulnaris. Typical sonographic abnormalities include focal or segmental nerve enlargement, disruption or loss of the normal fascicular architecture, and changes in echogenicity. Dynamic maneuvers during ultrasound examination can further identify nerve subluxation, dislocation, or snapping over the medial epicondyle, all of which may contribute to clinical symptoms. Postoperative ultrasound evaluation is increasingly important for detecting complications or persistent compression following in-situ decompression, medial epicondylectomy, or anterior transposition. A standardized and reproducible ultrasound protocol is therefore essential for accurate diagnosis, appropriate management, and follow-up. Radiologists play a pivotal role in this multidisciplinary approach by providing detailed imaging assessments that guide surgical decision-making and help optimize patient outcomes.
如何引用
AMA
Aurelio Cosentino, Yacine Carlier, Winston J Rennie, Lionel Pesquer. Ultrasound evaluation of the ulnar nerve in cubital tunnel syndrome: anatomy, normal and abnormal findings, and postoperative aspects.. Journal of ultrasonography. 2026; doi:10.15557/jou.2026.0002.
APA
Aurelio Cosentino, Yacine Carlier, Winston J Rennie, Lionel Pesquer (2026). Ultrasound evaluation of the ulnar nerve in cubital tunnel syndrome: anatomy, normal and abnormal findings, and postoperative aspects.. Journal of ultrasonography. https://doi.org/10.15557/jou.2026.0002
GB/T 7714
Aurelio Cosentino, Yacine Carlier, Winston J Rennie, Lionel Pesquer. Ultrasound evaluation of the ulnar nerve in cubital tunnel syndrome: anatomy, normal and abnormal findings, and postoperative aspects.[J]. Journal of ultrasonography, 2026 doi:10.15557/jou.2026.0002.
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