Presentation
Palpable nodule in left supraclavicular region
Patient Data
Age: 20 years
Gender: Male
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/81362/annotated_viewer_json?lang=us"}
Scout images obtained from CT
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/81363/annotated_viewer_json?lang=us"}
Bilateral C7 ribs are present; the left one fused with 1st thoracic rib (bifid).
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/81364/annotated_viewer_json?lang=us"}
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.
Unable to process the form. Check for errors and try again.