Simple local composite flap for a large superior helical rim defect

Supplemental Figure 1 Legends: a, b. Nevus in the superior helical rim, showing anterior and posterior views. c. Large defect on the superior helical rim after surgery, involving almost a third of the helical rim. d. Design of the bipedicle advancement and transposition flaps on the retroauricular skin. e. Separation of the subcutaneous tissue above the perichondrium with blunt dissection to form a skin bridge. f. The surgical site after suturing of the bipedicle advancement flap. g. Suturing of the postauricular transposition flap to cover the secondary defect. h. Excellent restoration of the helical profile at the one-month follow-up, showing posterior views.