Keystone design perforator island flap in facial defect reconstruction

Figure 11 An 82-year-old woman was diagnosed with basal cell carcinoma in the left nasolabial fold area (medial subunit of the cheek unit) by punch biopsy. A: She underwent a wide excision with a 4-mm safety margin and the final defect was measured to be 2 cm × 3 cm; B, C: We covered the defect with a Type IIA keystone-designed perforator island flap (flap size: 2.5 cm × 5.5 cm) from the upper-lateral side of the defect; D: Postoperative clinical photograph after 6 mo of follow-up. (Reprinted from Yoon et al[1], with permission from Wolters Kluwer).