Long-term follow-up and outcomes of percutaneous nephron-sparing surgery for upper tract urothelial carcinoma.
Upper tract urothelial carcinoma (UTUC) is uncommon, accounting for 5%-10% of all urothelial carcinomas. Current standard of care for localized disease consists of radical nephroureterectomy (RNU) which leads to loss of half the patient’s functioning nephrons.