Objective:Peroneus brevis is a muscle in the leg which is expendable without much functional deficit. The objective of this study was to find out its usefulness in coverage of the defects of the lower leg and ankle.Patients and Methods:A retrospective analysis of the use of 39 pedicled peroneus brevis muscle flaps used for coverage of defects of the lower leg and ankle between November 2010 and December 2012 was carried out. The flaps were proximally based for defects of the lower third of the leg in 12 patients and distally based for reconstruction of defects of the ankle in 26 patients, with one patient having flaps on both ankles.Results:Partial flap loss in critical areas was found in four patients requiring further flap cover and in non-critical areas in two patients, which were managed with a skin graft. Three of the four critical losses occurred when we used it for covering defects over the medial malleolus. There was no complete flap loss in any of the patients.Conclusion:This flap has a unique vascular pattern and fails to fit into the classification of the vasculature of muscles by Mathes and Nahai. The unusual feature is an axial vessel system running down the deep aspect of the muscle and linking the perforators from the peroneal artery and anterior tibial artery, which allows it to be raised proximally or distally on a single perforator. The flap is simple to raise and safe for the reconstruction of small-to moderate-sized skin defects of the distal third of the tibia and all parts of the ankle except the medial malleolus, which is too far from the pedicle of the distally based flap. The donor site can be closed primarily to provide a linear scar. The muscle flap thins with time to provide a good result aesthetically at the primary defect.

A groin flap is an axial-patterned cutaneous flap based on the superficial circumflex iliac arteriovenous system, which can provide soft-tissue coverage to defects on any aspect of the hand and the distal two thirds of the forearm. One of the presumed disadvantages of the pedicled groin flap is the discomfort experienced by the patient during the time required before flap division. These disadvantages can be greatly reduced by proper planning to orient the flap toward the defect, avoid any kinking at the base, and increasing the inset. We present our technique of orienting the flap to fit to the defect to be covered with ease. This technique avoids a lengthy flap and tubing, increases the patients comfort, and also makes the division and inset of the flap easier. As described, we have found this method simple and easy to duplicate.

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Loss of Achilles tendon combined with overlying soft tissue loss is a challenging problem. Multiple techniques like tendon graft with coverage by soft tissue flap or composite flaps have been used. All these options are technically demanding. Reports do exist whereby muscle flaps bridging the defect used as cover in course of time could transmit the tendon force across the defect. We are presenting a case where a free gracilis muscle flap used to cover the soft tissue defect at the Achilles tendon at 2 years follow up provided stable cover and produced active function of the Achilles tendon allowing the patient to stand tip toe. Mechanism of its action has been analysed by MRI and M-mode ultrasound. While in primary Achilles tendon injury reconstruction is still the recommended option, in complex situations mere filling of the gap with the flap without formal reconstruction of the tendon could give good functional outcome. This technique can be used in demanding situations.

2016-12-23T18:49:38