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Cervical rib

Case contributed by Sovann Vathana Lay
Diagnosis certain


Palpable nodule in left supraclavicular region

Patient Data

Age: 20 years
Gender: Male

X-ray obtained from CT scout


Scout images obtained from CT

Non-contrast CT


Bilateral C7 ribs are present; the left one fused with 1st thoracic rib (bifid).

3D Volume rendering CT


3D Volume rendering from plain CT is able to better visualize the variant.

Case Discussion

Cervical rib is a relatively uncommon entity. Most patients usually present without any symptoms, however in certain cases, this may cause thoracic outlet syndrome.

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