Table 2.

Clinicopathologic Characteristics of the Patients: Other Imaging, Washed Urine Cytologic, and Final Pathologic Results

Patient	Cystoscopy	RGP	Ureteroscopy	Endoscopic Biopsy	Washed Urine Cytology	Final Pathology
1	Normal	Filling defect			UC grade II	Polypoid ureteritis and ureteral stone
2	Normal	Filling defect			Negative	Inflammatory pseudotumor
3	Normal	Stricture of the midureter			Atypical cells, possibly reactive	Atypical urothelial hyperplasia and ureteral stone
4	Pseudopolyp in the bladder neck	Filling defect			Negative	Fibroepithelial polyp
5	Normal	Filling defect			Negative	Inflammatory pseudotumor
6	Normal	Complete obstruction in the distal ureter	Failed to advance ureteroscope because of total obstruction	A few atypical cells with mainly fibrous tissue	Negative	Mucosal and submucosal hemorrhage with transmural congestion in the ureter
7	Bullous change of the right ureteral orifice	Failed because of bullous change of the ureteral orifice	Failed to advance ureteroscope because of total obstruction	Failed to obtain the biopsy specimen		Tuberculosis

RGP, retrograde ureteropyelography; UC, urothelial carcinoma.