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Plast Reconstr Surg. 2002 Sep 1;110(3):774-9.

Topographic mapping of the superior transverse scapular ligament: a cadaver study to facilitate suprascapular nerve decompression.

Author information

  • 1Division of Plastic Surgery, DeBakey Department of Surgery, Baylor College of Medicine, Houston, TX 77030, USA.

Abstract

Division of the superior transverse scapular ligament for decompression of suprascapular nerve entrapment can be curative. However, the superior transverse scapular ligament can be difficult to locate, and large incisions are often required. This study was designed to determine the topographic coordinates of the superior transverse scapular ligament to permit reproducible surgical localization and reduce incision size. In 20 cadavers, the superior transverse scapular ligament was identified through a superior approach. Measurements were obtained from the superior transverse scapular ligament to external landmarks. The superior transverse scapular ligament was located 1.3 +/- 0.3 cm (+/- SD) posterior to the posterior border of the clavicle and 2.9 +/- 0.8 cm from the acromioclavicular joint in a two-dimensional surface plane. The depth of the superior transverse scapular ligament from the skin surface was 3.9 +/- 0.7 cm. An incision (mean length, 6.3 +/- 0.7 cm) derived from a novel system of planning marks facilitated access to the superior transverse scapular ligament. The authors conclude that the superior transverse scapular ligament can be located consistently through an incision located on the superior aspect of the shoulder on the basis of palpable topographic landmarks. The superior approach permits small incision size and the maintenance of local muscle anatomic integrity.

PMID:
12172138
[PubMed - indexed for MEDLINE]
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