Fig. (2) : (A) Coronar MRI 4 months after first presentation demonstrating right deep soft tissue gluteal cavity (yellow arrow). (B) Clinical photograph 4 months after first presentation showing the right gluteal extended soft tissue defect with it deep cavity which communicates with the sacral/iliac bones and the GRA. The blue line demonstrating planning of surgical incision at the posterior aspect of the right thigh. (C) Intraoperative photograph showing the detached LHBFM at its distal insertion at the right fibular head and before it detachement at its proximal origin at the right ischial tuberosity. Note the carefully dissected and obtained major proximal perforator for the LHBFM (white arrow). (D) Intraoperative photograph showing transposition of the right LHBFM 180° turnover flap into the right deep gluteal cavity after incision of the adjacent skin bridge. (E) Intraoperative photograph showing primary coverage of the right LHBFM 180° turnover flap by splitted skin grafts from the right thigh. (F) Clinical photograph 4 weeks after coverage showing uneventful wound healing.