Fig. 3From: Dorsal approach with tailored partial sacrectomy and gluteal V–Y fasciocutaneous advancement flap for the management of recurrent pelvic sepsis; case reportSecond salvage surgery in the third patient, showing the confined but deep cavity (a), design of the flap (b), prepared flap with deepithelialized skin and a vertical back cut of a few centimeters (c), and postoperative status with vacuum drains positioned at the bottom of the cavity via perineal route and at the donor site (d)Back to article page