Outcomes of radical nephroureterectomy: A series from the Upper Tract Urothelial Carcinoma Collaboration
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Open Access
- 3 March 2009
- Vol. 115 (6), 1224-1233
- https://doi.org/10.1002/cncr.24135
Abstract
BACKGROUND: The literature on upper tract urothelial carcinoma (UTUC) has been limited to small, single center studies. A large series of patients treated with radical nephroureterectomy for UTUC were studied, and variables associated with poor prognosis were identified. METHODS: Data on 1363 patients treated with radical nephroureterectomy at 12 academic centers were collected. All pathologic slides were re‐reviewed by genitourinary pathologists according to strict criteria. RESULTS: Pathologic review revealed renal pelvis location (64%), necrosis (21.6%), lymphovascular invasion (LVI) (24.8%), concomitant carcinoma in situ (28.7%), and high‐grade disease (63.7%). A total of 590 patients (43.3%) underwent concurrent, lymphadenectomy and 135 (9.9%) were lymph node (LN) ‐positive. Over a mean follow‐up of 51 months, 379 (28%) patients experienced disease recurrence outside of the bladder and 313 (23%) died of UTUC. The 5‐year recurrence‐free and cancer‐specific survival probabilities (±SD) were 69% ± 1% and 73% ± 1%, respectively. On multivariate analysis, high tumor grade (hazards ratio [HR]: 2.0, P < .001), advancing pathologic T stage (P‐for‐trend <.001), LN metastases (HR: 1.8, P < .001), infiltrative growth pattern (HR: 1.5, P < .001), and LVI (HR: 1.2, P = .041) were associated with disease recurrence. Similarly, patient age (HR: 1.1, P = .001), high tumor grade (HR: 1.7, P = .001), increasing pathologic T stage (P‐for‐trend <.001), LN metastases (HR: 1.7, P < .001), sessile architecture (HR: 1.5, P = .002), and LVI (HR: 1.4, P = .02) were independently associated with cancer‐specific survival. CONCLUSIONS: Radical nephroureterectomy provided durable local control and cancer‐specific survival in patients with localized UTUC. Pathologic tumor grade, T stage, LN status, tumor architecture, and LVI were important prognostic variables associated with oncologic outcomes, which could potentially be used to select patients for adjuvant systemic therapy. Cancer 2009. © 2009 American Cancer Society.Keywords
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