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The lateral arm flap is an excellent flap for both local and microvascular reconstruction. For local reconstruction on the upper extremity or as a distant microvascular flap, its advantages include short operation time, thin pliable tissue, non-dominant vessel, and minimal donor site morbidity. Moreover, it fulfills the goal of optimal reconstruction of form, function, and aesthetics. The objective is to share our experience of using the lateral arm flap, both as a free flap and as a pedicled flap.  Methods  After taking exemption from the ethical review committee (ERC) of Aga Khan University Hospital, a retrospective data analysis of patients who had undergone lateral arm flap at the Plastic and Reconstructive Surgery department of the Aga Khan University Hospital was carried out from January 2012 to December 2019. The data examined included the patient's age, gender, diagnosis, location of the defect, size of the flap, and outcome of the flap at three weeks post-operation. For free flaps, data of the recipient artery used for anastomosis and the number of veins anastomosed were also included.  Results  Over a period of eight years, 33 lateral arm flaps were performed, including 23 free flaps and 10 pedicled flaps. The average size of the free flap was 12x6 cm and that of the pedicled flap was 8x5 cm. In the free-flap group, there was a failure in three flaps, two of which were due to arterial anastomosis in the zone of injury. There were no failures in the pedicled flap group.  Conclusion  The lateral arm flap is a reliable flap, with consistent anatomy, which can be used for coverage in different parts of the body.

Lateral Arm Flap: Its Usage as Pedicle and Free Flap