Keystone design perforator island flap in facial defect reconstruction

Figure 7 An 82-year-old man was diagnosed with basal cell carcinoma on the right ala after a punch biopsy. A: The lesion was located on the right alar base subunit of the nasal unit; B: He underwent wide excision of the lesion with a 3-mm safety margin, the final defect was measured to be 2.5 cm × 2.8 cm; C: We covered the defect with a Type IIA keystone design perforator island flap (flap size: 4 cm × 6 cm) from the medial subunit of the right cheek unit. Final suture lines were located within and along each facial subunit; D: Postoperative clinical photograph after 3 mo.