Folded Fascia Lata Allograft Reinforcement for Recurrent Postsurgical Synovial Fistula of the Knee: A Case Report.

Synovial fistulas of the knee are a rare complication of surgical procedures and are often underreported because they usually do not cause significant deleterious effects. Arthroscopy-related fistulas are generally managed conservatively, while persistent fistulas following open procedures can be challenging to treat and may require further surgical intervention. We report the case of a patient with a recurrent knee synovial fistula following seven previous surgical procedures. Despite multiple treatment attempts, the fistula persisted. Definitive treatment was performed using reinforcement of the fistulous tract with a folded fascia lata allograft. Postoperatively, the fistula healed completely, and the patient was able to return to sports activities without recurrence. Folded fascia lata allograft reinforcement may be an effective treatment option for recurrent knee synovial fistulas when conventional surgical techniques have failed. This technique achieved successful fistula closure and allowed return to sports activity in the patient presented.