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
Frontal
Lateral
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Info

Scout images obtained from CT

Non-contrast CT

ct
This study is a stack
Sagittal
non-contrast
This study is a stack
Coronal
non-contrast
This study is a stack
Axial
non-contrast
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Info

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

3D Volume rendering CT

ct
Sagittal
3D VR
Coronal
3D VR
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Info

3D Volume rendering from plain CT is able to better visualise 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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