“…The use of microsurgical techniques is commonplace nationwide and free tissue transfers are performed with high success. 1,2 The popularization of microsurgery is in part due to improvements in technology that have allowed free tissue transfers to become more successful and versatile over time. For example, better instrumentation, suture material, and microscope optics allow for anastomosis of submillimeter vessels, intraoperative laser angiography provides real-time assessment of tissue perfusion, and discovery of arterial perforasomes has expanded flap options while limiting donor site morbidity.…”