Flap coverage options for pressure-induced injury of the ischium

Selected flap coverage options for managing pressure-induced injuries of the ischium.
(A) Inferior gluteal artery perforator island flap with or without gluteus maximus muscle
(B) Medial thigh transposition flap
(C) Posterior thigh V-to-Y advancement flap, with or without hamstring muscle(s)
(D) Superiorly based buttock rotation flap with gluteus maximus muscle
(E) Anteriorly based tensor fascia lata transposition flap
(F) Gracilis muscle flap (islanded or transposition)