Keystone design perforator island flap in facial defect reconstruction

Figure 13 An 82-year-old woman was diagnosed with basal cell carcinoma on the left mandible border after a punch biopsy. A: The lesion was located on the lower part of the left lateral subunit of the cheek unit; B: She underwent wide excision of the lesion with a 5-mm safety margin, the final defect was measured to be 3 cm × 3 cm; C: We covered the defect with a Type IIA keystone design perforator island flap (flap size: 3.5 cm × 8 cm) in the lateral subunit of the cheek unit. Final suture lines were located within the lowest part of the lateral subunit of the cheek unit; D: Postoperative clinical photograph after 4 mo.