Endoscopic diagnosis and therapy of urothelial tumours of the upper urinary tract (an analyses of our own cases with literary review).

The authors review the importance of ureteropyeloscopy and nephroscopy in the diagnostics and endoscopic treatment of urothelial tumours of the upper urinary tract, in view of their two-year experience and discuss indications and technical difficulties compared to those described in the literature. Practice is demonstrated with the description of two cases. Follow-up and care-tactics are detailedly described.