期刊
BJU INTERNATIONAL
卷 110, 期 6, 页码 798-803出版社
WILEY
DOI: 10.1111/j.1464-410X.2011.10893.x
关键词
lymphovascular invasion; transitional cell carcinoma; nephroureterectomy; lymphatic metastasis
OBJECTIVE To assess the impact of lymphovascular invasion (LVI) on the prognosis of patients with upper urinary tract urothelial cell carcinoma (UTUC) treated with radical nephroureterectomy (RNU). PATIENTS AND METHODS The Columbia University Medical Center Urologic Oncology database was queried and 211 patients undergoing RNU for UTUC between 1990 and 2010 were identified. These cases were retrospectively reviewed, and the prognostic significance of relevant clinical and pathological variables was analysed using log-rank tests and Cox proportional hazards regression models. Actuarial survival curves were calculated using the Kaplan-Meier method. RESULTS LVI was observed in 68 patients (32.2%). The proportion of LVI increased with advancing stage, high grade, positive margin status, concomitant carcinoma in situ, and lymph node metastases. The 5- and 10-year overall survival rates were 74.7% and 53.1% in the absence of LVI, and 35.7% and 28.6% in the presence of LVI, respectively. In multivariate analysis, age, race and LVI were independent predictors of overall survival. CONCLUSIONS The presence of LVI on pathological review of RNU specimens was associated with worse overall survival in patients with UTUC. LVI status should be included in the pathological report for RNU specimens to help guide postoperative therapeutic options. With confirmation from large international studies, inclusion of LVI in the tumour-node-metastasis staging system for UTUC should be considered.
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