Costoclavicular space

Dr Craig Hacking et al.

The costoclavicular space is the anterior portion of the superior thoracic aperture, between the clavicle and first rib. The subclavian vessels and brachial plexus pass though the space related to the scalene muscles. Proximally, the plexus passes through the interscalene space, and distally through the subcoracoid space.

The space narrows when the arm abducts 4 which explains its association with thorac outlet syndrome. Its borders are:

Related pathology

Thoracic anatomy
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Article information

rID: 47507
Systems: Chest, Vascular
Section: Anatomy
Synonyms or Alternate Spellings:
  • Costo-clavicular space

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