A 42-year-old woman with a large congenital giant arteriovenous malformation in the left supraclavicular fossa underwent surgical resection. Although endovascular treatment was initially planned, it was impossible to occlude the… Click to show full abstract
A 42-year-old woman with a large congenital giant arteriovenous malformation in the left supraclavicular fossa underwent surgical resection. Although endovascular treatment was initially planned, it was impossible to occlude the multiple feeding arteries (transverse cervical, clavicular branch of left internal mammary, thoracoacromial, anterior/posterior circumflex humeral), and the anatomy was difficult. After removal of the left clavicle, the arteriovenous malformation was exposed. Care was taken to not injure the brachial plexus, and each feeding artery was ligated, followed by division of the drainage veins. The postoperative course was uneventful, and no sign of recurrence has been seen.
               
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