Reconstruction of cervical necrotizing fasciitis defect with the modified keystone flap technique: Two case reports

Figure 3 Clinical photographs of Case 1. A: Skin necrosis caused by cervical necrotizing fasciitis in the right anterior neck area; B: The final post-debridement defect measuring 5.5 cm × 12 cm, along with the design of a keystone flap (KF) sized 8 cm × 19 cm, based on perforators from the superior thyroid artery; C: Successful coverage of the defect with the modified type II KF; D: Postoperative photographs taken after a 3-month follow-up.