case_images: PMC6742873_01
case_images: A wounddefectisatananterioraspectof leftknee, size about 8cm thatprimarysuture cannotbedone.
case_images: JOCR-9-43-g001.jpg
case_images: PMC6742873_01_JOCR-9-43-g001.jpg
case_images: F1
case_images: A primary suture cannot be done to close the wound due to the nature of the large wound (Fig. 1).
case_images: Skinincisionwas doneinthesartoriusalignment.
case_images: JOCR-9-43-g002.jpg
case_images: PMC6742873_01_JOCR-9-43-g002.jpg
case_images: F2
case_images: Then, the sartorius muscle was dissected (Figs. 2 and 3), and the proximal set of segmental vessels was identified and ligated.
case_images: The sartorius was dissectedfromproximal to distal part.
case_images: JOCR-9-43-g003.jpg
case_images: PMC6742873_01_JOCR-9-43-g003.jpg
case_images: F3
case_images: Then, the sartorius muscle was dissected (Figs. 2 and 3), and the proximal set of segmental vessels was identified and ligated.
case_images: Thesartorius was move dintosubcutaneoustunnelandused to providecoverageforthewounddefect.
case_images: JOCR-9-43-g004.jpg
case_images: PMC6742873_01_JOCR-9-43-g004.jpg
case_images: F4
case_images: Afterward, the sartorius was moved into subcutaneous tunnel and used to provide coverage for the wound defect (Fig. 4).
case_images: The musclef lapwas coveredwithfull-thickness skingraft.
case_images: JOCR-9-43-g005.jpg
case_images: PMC6742873_01_JOCR-9-43-g005.jpg
case_images: F5
case_images: Finally, we used the skin graft to cover over the muscle flap (Fig. 5).
case_images: Well-healed flap at 1 year postoperatively in the anterior and medial view.
case_images: JOCR-9-43-g006.jpg
case_images: PMC6742873_01_JOCR-9-43-g006.jpg
case_images: F6
case_images: At 1 year after surgery, his knee healed completely (Fig. 6).
case_images: The range of motion of the knee at postoperative 1 year.
case_images: JOCR-9-43-g007.jpg
case_images: PMC6742873_01_JOCR-9-43-g007.jpg
case_images: F7
case_images: The range of motion of the knee is also normal (Fig. 7).