“…They include local vascularized flaps, non-vascularized free flaps, less frequently used microvascular free flaps, and allogenic materials. 15 , 16 , 17 , 18 , 19 , 20 , 21 Prior studies have classified regions of the anterior cranial fossa for reconstruction, with a special respect to microvascular free tissue transfer. 22 Pedicled vascularized flap are superior to free flaps due to significant decrease of postoperative CSF leak rates even in patients who underwent radiation treatment and/or chemotherapy.…”