The superior gluteal artery is the largest branch of the internal iliac artery, supplying the gluteal muscles and providing the pedicle for the superior gluteal artery perforator (SGAP) flap. The SGAP flap uses skin and fat from the upper buttock based on perforators from the deep branch of the SGA, providing autologous breast reconstruction tissue with excellent skin quality.
| Origin | Posterior trunk of the internal iliac artery |
|---|
The superior gluteal artery perforator (SGAP) flap is an alternative to DIEP flap for autologous breast reconstruction in patients with insufficient abdominal tissue. The perforator must be traced through the gluteus maximus on preoperative CTA. The flap provides excellent skin and fat volume but requires patient repositioning during harvest and has a shorter pedicle than the DIEP.
SGA disruption from unstable pelvic fracture producing retroperitoneal haematoma managed with angiographic embolisation.
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