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Cervical rib

Case contributed by Sovann Vathana Lay
Diagnosis certain

Presentation

Palpable nodule in left supraclavicular region

Patient Data

Age: 20 years
Gender: Male

X-ray obtained from CT scout

x-ray

Scout images obtained from CT

Non-contrast CT

ct

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

3D Volume rendering CT

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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