Raising the radial artery forearm flap: the superficial ulnar artery "trap".
An anomalous superficial ulnar artery was encountered during the raising of a free radial artery forearm flap. A description is given of the anatomy of the ulnar artery, its variation and vulnerability during the raising of a forearm flap.
D001158:Arteries / Q000002:abnormalities / Q000637:transplantation; D005542:Forearm / Q000098:blood supply*; D006801:Humans; D011884:Radius; D013524:Surgical Flaps; D014457:Ulna