Cervical rib

Cervical rib is a supernumerary or accessory rib arising from the seventh cervical vertebra. They occur in ~0.5% of the population, and are more common in females.

Although cervical ribs are usually asymptomatic, they are the most important anatomic rib variant clinically, because they can cause thoracic outlet syndrome by compression of the brachial plexus or subclavian vessels.

Spinal anatomy
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Article information

rID: 12099
Section: Anatomy
Synonyms or Alternate Spellings:
  • Cervical ribs

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Cases and figures

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    Case 1
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    Cervical rib
    Case 2
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    Case 3
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    Right cervical rib
    Case 4
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    B104 001

Thoraci...
    Case 5
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    Case 6
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    Case 7: bilateral
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    Case 8: bilateral on multiplanar CT
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    Case 9
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    Case 10
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    Case 11: on left
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    Case 12: rudimentary assymetric cervical ribs
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