Introduction: Rectourethral fistula (RUF) after prostatectomy is a rare complication; however, when it occurs it is likely to be intractable and treatment requires surgical closure of the fistula. Several approaches to fistula closure have been reported, but there is no established treatment.

Case Presentation: The patient was a 66-year-old man who had undergone robot-assisted laparoscopic radical prostatectomy for prostate cancer. On the 16th postoperative day, RUF was diagnosed. Cystostomy, laparoscopic ileostomy and transanal fistula closure were performed, and conservative treatment was continued for 5 months; however, the RUF remained, so the patient underwent fistula closure with a gracilis muscle flap using both transperineal and laparoscopic manipulation. Because it was a high fistula, the RUF was difficult to fill with a transperineal approach alone; however, in combination with laparoscopic manipulation, the appropriate filling of the fistula was possible.

Clinical Discussion: Although few reports have described the use of the laparoscopic transabdominal approach in combination with a transperineal gracilis muscle flap, the advantages of this technique are that the superior part of the fistula can be dissected, the flap can be filled more securely than with a transperineal approach alone, and transabdominal manipulation can be performed in a less invasive manner. In addition, by coordinating perineal and laparoscopic manipulation, we were able to close the fistula without organ damage by safe dissection.

Conclusion: The laparoscopic approach is useful for RUF closure because it allows the interposition of the flap to reliably fill the space between the bladder and the rectum.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8917308PMC
http://dx.doi.org/10.1016/j.ijscr.2022.106856DOI Listing

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