Nationally an average of 32% of the 411 pediatric torsion cases explored annually result in orchiectomy. Identified factors increasing the orchiectomy risk included age 1 to 9 years, black race and lack of private insurance. Efforts should continue to identify modifiable variables that can increase testicular salvage in patients with testicular torsion.
Currently, the "state of the art" in tissue engineering solutions for urologic reconstruction means resorbable acellular xenograft matrices. They show promise when used as a pubovaginal sling or extra bolstering layers in ureteral or urethral repairs, although recent problems with inflammation following 8-ply pubovaginal sling use and failures after 1- and 4-ply SIS repair of Peyronie's disease underscore the need for research before wide adoption. Preliminary data is mixed concerning the potential for ECM urethral patch graft, and more data is needed before extended uses such as bladder augmentation and ureteral replacement are contemplated. The distant future of ECMs in urology likely will include cell-seeded grafts with the eventual hope of producing "off the shelf" replacement materials. Until that day arrives, ECMs only fulfill some of the requirements for the reconstructive urologist.
The sole significant tumor spill risk factor identifiable preoperatively was tumor volume greater than 1,000 cc. However, spill occurred at volumes less than 400 cc. Although not statistically significant, neoadjuvant chemotherapy for stage IV disease trended toward diminishing spill risk. Patients with Wilms tumors greater than 1,000 cc may benefit from neoadjuvant chemotherapy with less tumor spill, while stage IV tumors warrant further study in this regard.
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