Fig. 4

Preoperative view of flaps necrosis after WLE and STSG (A). Intraoperative view showing identification of lymph fluid drainage site (as pointed with the tip of tweezer) with patent blue V dye intracutaneous injection (B). The injured lymphatic vessel was selectively ligated with 6–0 monofilament vascular suture, which is pointed with the tip of tweezer (C). Re-split-thickness skin graft (STSG) after wound revision (D). Patient followed up 1 month postoperatively (D) and 2 months postoperatively (E)