Designing a Fibular Flow-Through Flap with a Proximal Peroneal Perforator-Free Flap for Maxillary Reconstruction

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Reconstruction of a composite maxillary defect is frequently performed with a fibular osteocutaneous free flap to address both the bony and mucosal defect. If during the harvest of the fibula a distal skin perforator is not present due to vascular variations, reconstruction can potentially be done using the soleus muscle for filling of the palatal mucosal defect. An additional challenge arises when the accompanying skin paddle that has been harvested is not perfused, but the fibula remains viable. This case report describes salvage following loss of the skin paddle in an osteocutaneous fibular free flap by designing a fibular flow-through flap using a proximal peroneal perforator free flap. The use of this second free flap allows a skin paddle to be positioned on the distal fibular segment, provides a surgical backup, and limits the donor sites to the same extremity.

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