MacAvoy Michael C, Rust Stace S, Green David P
Permanente Medical Group, South San Francisco, CA, USA.
J Hand Surg Am. 2006 Jul-Aug;31(6):908-11. doi: 10.1016/j.jhsa.2006.03.013.
To investigate the anatomic relationships of the posterior antebrachial cutaneous nerve (PABCN) to anatomic landmarks on the lateral side of the elbow.
The PABCN was explored in 30 cadaveric upper extremities. Distances were noted from easily identifiable structures including the lateral epicondyle, the lateral intermuscular septum, and the radial nerve.
The path of the PABCN follows the spiral groove initially, diverging as the radial nerve pierces the lateral intermuscular septum. The PABCN emerges from the posterior compartment through a hiatus in the deep fascia at a mean of 6.6 cm proximal to the lateral epicondyle and passes a mean of 2.1 cm anterior to the lateral epicondyle.
The anatomic relationships determined in this study should enable the surgeon to avoid injuring the PABCN when performing surgery in the lateral elbow region.
研究前臂后皮神经（PABCN）与肘部外侧解剖标志的解剖关系。
在30具尸体上肢中探查PABCN。记录其与易于识别的结构（包括外侧髁、外侧肌间隔和桡神经）之间的距离。
PABCN最初沿螺旋沟走行，当桡神经穿过外侧肌间隔时分开。PABCN通过深筋膜的裂孔从后骨筋膜室穿出，位于外侧髁近端平均6.6 cm处，并在外侧髁前方平均2.1 cm处经过。
本研究确定的解剖关系应能使外科医生在肘部外侧区域进行手术时避免损伤PABCN。
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