We report the unique case of a 14-year-old male with axillary artery pseudo-aneurysm associated with brachial plexus compression after a simple shoulder dislocation. Following shoulder reduction under anaesthetic, the child was discharged on chemical deep vein thrombosis (DVT) prophylaxis. However, progressive shoulder swelling and upper limb neurological symptoms developed. A multi-disciplinary approach was taken to diagnose and treat this complication. After stopping the anti-coagulants, a combination of endovascular stent-graft and open surgical decompression of the brachial plexus was employed. Paediatric guidelines on DVT prophylaxis are scarce but DVT has never been reported in children following upper limb trauma.
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