Extra rib. Coloured frontal angiogram (X-ray) of the chest of a 27-year-old patient with a right cervical rib. The thick white blood vessel is the rig


Extra rib. Coloured frontal angiogram (X-ray) of the chest of a 27-year-old patient with a right cervical rib. The thick white blood vessel is the right subclavian artery. A cervical rib is a congenital extra rib arising from the seventh cervical vertebra. Here, it is causing thoracic outlet syndrome as it presses on the scalene muscles of the neck, compressing the right subclavian artery and leading to a reduction in blood flow.


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Photo credit: © ZEPHYR/SCIENCE PHOTO LIBRARY / Alamy / Afripics
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