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- Title
Endoscopic Ablation of Upper Tract Urothelial Carcinoma: A Report of Two Cases with Long Disease Recurrence-Free Periods.
- Authors
Hiroshi Yamane; Masashi Honda; Ryutaro Shimizu; Shogo Teraoka; Yusuke Kimura; Tetsuya Yumioka; Hideto Iwamoto; Shuichi Morizane; Katsuya Hikita; Atsushi Takenaka
- Abstract
Upper tract urothelial carcinoma (UTUC) is a relatively rare disease that accounts for 5% to 10% of all urothelial carcinomas (UCs). Radical nephroureterectomy (RNU) with a bladder cuff is the current gold standard for the management of UTUC; however, endoscopic ablation is also an option for low-risk UTUC to preserve kidney function. Herein, we present two cases of solitary kidney with a right lower ureteral tumor. Both patients underwent left RNU in the past. An 82-year-old man with a right ureteral tumor whose histopathological examination revealed low-grade UC. Laser ablation was performed with ureteroscopy, and there was no recurrence for 7 years after treatment. A 67-year-old woman with a right lower ureteral tumor whose histopathological examination also revealed low-grade UC. Laser ablation was performed, and there was no recurrence for 5 years after the treatment. We closely followed-up our two patients after RNU. This allowed for early detection of tumor recurrence, after which we could perform laser ablation therapy.
- Subjects
TRANSITIONAL cell carcinoma; CANCER; TUMOR growth; TUMOR budding; TUMOR markers
- Publication
Yonago Acta Medica, 2022, Vol 65, Issue 2, p171
- ISSN
0513-5710
- Publication type
Article
- DOI
10.33160/yam.2022.05.005