An Investigation Into the Application of Preputial Grafts for the Reconstruction of Complex Ureteral Strictures

Complex ureteral stricture refers to a ureteral lumen stenosis lesion that cannot be directly treated with the traditional end-to-end anastomosis. In recent years, its incidence has shown a gradual upward trend, and it has long been a major clinical challenge for urological surgeons. Because it is difficult to achieve tension-free anastomosis after direct resection of the strictured segment, which can easily lead to the failure of stricture repair surgery, simple ureteral stricture segment resection combined with end-to-end anastomosis is generally not recommended for the treatment of such diseases. In general, clinicians need to select alternative materials for ureteral reconstruction, such as Boari flap, appendix, intestinal tract, and oral mucosa, to achieve the surgical effect of tension-free anastomosis. However, in some complex clinical cases, if Boari flap, appendix, intestinal tract or oral mucosa cannot be used for surgery, or if patients refuse to accept oral mucosa, intestinal mucosa and other tissues for ureteral repair, are there any other alternative schemes with high safety and minimal invasiveness available for ureteral reconstruction in clinical practice? Thus, it is of great clinical significance to develop safe, effective and innovative surgical techniques for ureteral reconstruction. Circumcision is a surgical procedure with a long history and wide application, and the prepuce removed during the operation is usually treated as medical waste. Our research …

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