2021
DOI: 10.1136/bcr-2020-241194
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Undiagnosed bilateral complete cervical rib with subclavian artery aneurysm presenting as acute ischaemic limb following high-altitude expedition

Abstract: Arterial thoracic outlet syndrome is relatively rare and often exclusively seen in the presence of bony anomalies. High-altitude (HA) travel is commonly associated with thrombosis; however, arterial thromboembolism is less frequently described. We describe a case of a young man with undiagnosed bilateral cervical rib, who went for an HA trek, subsequent to which developed acute limb ischaemia of right arm. Diagnostic workup revealed a subclavian artery aneurysm as well along with complete bony bilateral cervic… Show more

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“…TOS can be caused generally by scalene muscle hypertrophy or a cervical rib, which can compress the brachial plexus (neurological form) [ 15 ], subclavian artery [ 16 ], and/or subclavian vein [ 17 ] (vascular form). Brachial plexus and subclavian artery compression is usually caused by a cervical rib, while hypertrophy of the anterior scalene muscle is the most common cause of subclavian vein stenosis.…”
Section: Introductionmentioning
confidence: 99%
“…TOS can be caused generally by scalene muscle hypertrophy or a cervical rib, which can compress the brachial plexus (neurological form) [ 15 ], subclavian artery [ 16 ], and/or subclavian vein [ 17 ] (vascular form). Brachial plexus and subclavian artery compression is usually caused by a cervical rib, while hypertrophy of the anterior scalene muscle is the most common cause of subclavian vein stenosis.…”
Section: Introductionmentioning
confidence: 99%