Review Question - QID 213948

A 65-year-old woman with diabetes undergoes a left total knee arthroplasty 2 years ago. Her initial postoperative radiograph is depicted in Figure A. She presents to your office with a recurring wound dehiscence and drainage. The diagnosis of a prosthetic joint infection is made and the decision is made to undergo revision surgery. Her current clinical image is depicted in Figure B. Which of the arteries highlighted in Figure C provides the dominant blood supply for the most commonly used flap for her wound prior to reimplantation of her components?