[弓形与前哨：腋窝胸肌前哨淋巴结活检的手术技术]
[Arch and sentinel: surgical technique of sentinel node biopsy with the axillopectoral muscle].
作者信息
Chêne G, Le Bouëdec G, Dauplat J
机构信息
Service de chirurgie oncologique, centre Jean-Perrin, 38, rue Montalembert, 63000 Clermont-Ferrand, France.
出版信息
Gynecol Obstet Fertil. 2007 Jan;35(1):25-9. doi: 10.1016/j.gyobfe.2006.10.031. Epub 2007 Jan 10.
OBJECTIVE
Identify the axillopectoral muscle (usually called Langer's axillary arch) and know the main surgical techniques of axillary sentinel node biopsies.
PATIENTS AND METHODS
We present the results of our five-year clinical prospective study: the presence of this anomaly is diagnosed peroperatively during a sentinel node biopsy.
RESULTS
Langer's arch is identified in 1,7%, often with an unilateral distribution. Lymph nodes are just near or behind the muscle. Sentinel node biopsy dissection is difficult in about 40%.
DISCUSSION AND CONCLUSION
The embryological derivation and anatomical features of this muscle are described, with emphasis on the surgical applications. Its presence or absence should be ascertained in every sentinel node biopsy because of the risks of axillary dissection complications by this ectopic muscle.
目的
识别腋胸肌（通常称为朗格氏腋弓）并了解腋窝前哨淋巴结活检的主要手术技术。
患者与方法
我们展示了为期五年的临床前瞻性研究结果：在进行前哨淋巴结活检的手术过程中对这种异常情况进行诊断。
结果
发现1.7%的患者存在朗格氏腋弓，通常呈单侧分布。淋巴结就在该肌肉附近或其后方。约40%的前哨淋巴结活检解剖操作困难。
讨论与结论
描述了该肌肉的胚胎学起源和解剖特征，并重点阐述了其手术应用。由于这种异位肌肉可能导致腋窝解剖并发症，因此在每次前哨淋巴结活检时都应确定其是否存在。
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