[The vascularized cross-leg flap].
A better knowledge of the leg skin blood supply has recently revived interest in the cross-leg technique for skin grafts. It is now possible to delineate on each leg two flaps that contain arteries and veins. The internal saphenous flap, taken on the internal aspect of the leg is fed by the cutaneous branch of the greater anastomotic artery, satellite of the internal saphenous nerve, while the external saphenous flap, located on the postero-external aspect of the leg, is fed by 2 cutaneous branches of the popliteal artery or gemellar arteries. The length to width ratio of these flaps varies from 3 to 4, which is both safe and reliable and provides for supple handling of the pedicles and increased patient's comfort.
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D006801:Humans; D007866:Leg / Q000098:blood supply / Q000601:surgery*; D013524:Surgical Flaps
Le lambeau hétéro-jambier vascularisé.