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J Endourol. 2010 Mar;24(3):367-70. doi: 10.1089/end.2009.0181.

Complex percutaneous resections for upper-tract urothelial carcinoma.

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  • 1Steven B. Streem Center for Endourology, Glickman Urological and Kidney Institute, Cleveland Clinic Foundation, Cleveland, Ohio 44195, USA.

Abstract

BACKGROUND AND PURPOSE:

Percutaneous endoscopic resection is a viable treatment option for upper-tract urothelial carcinoma (UC) in selected patients. We present our experience with patients who underwent percutaneous resections for complex urothelial tumors.

PATIENTS AND METHODS:

Patients who were undergoing percutaneous treatment for UC were identified within a prospectively maintained database at a single institution. Charts were reviewed to identify complex patients (n = 16) who met the following criteria: (a) tumor size >2.5 cm (n = 8), (b) preoperative creatinine level >3.0 mg/dL (n = 3), or (c) anatomic variant (cystectomy/urinary diversion [n = 2]; autotransplanted kidney [n = 1]; ipsilateral partial nephrectomy [n = 1]; distal ureterectomy [n = 1]). Demographic, operative, and oncologic data were captured. Recurrence-free, cancer-specific, and overall survivals were calculated and compared with a control group of noncomplex cases (n = 23).

RESULTS:

No difference was found in mean age (69.7 +/- 10.8 years vs 69.8 +/- 11.2 years), complication rate (6.3% vs 7.1%), or change in creatinine level (1.53 mg/dL to 1.51 mg/dL vs 1.88 mg/dL to 1.57 mg/dL) between noncomplex and complex cases. The incidences of high-grade tumors (55% vs 71%), invasive tumors (15% vs 20%), solitary kidney (82% vs 92%), contralateral nephroureterectomy (52% vs 60%), and history of bladder cancers (47% vs 38%) were similar between the two groups. Median follow-up was 36 months. No difference was seen in cancer-specific survival (P = 0.98) or recurrence-free survival (P = 0.39). An improved trend in overall survival (P = 0.20) was seen in the noncomplex patients when compared with the complex group.

CONCLUSIONS:

These findings suggest that patients with large tumors, poor renal function, and significant anatomic variations may be well served by endoscopic treatment for upper-tract UC when indicated.

PMID:
20218882
[PubMed - indexed for MEDLINE]
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