Significance of bladder neck involvement on progression in superficial bladder cancer

被引:35
作者
Fujii, Y [1 ]
Fukui, I [1 ]
Kihara, K [1 ]
Tsujii, T [1 ]
Ishizaka, K [1 ]
Kageyama, Y [1 ]
Kawakami, S [1 ]
Oshima, H [1 ]
机构
[1] Tokyo Med & Dent Univ, Dept Urol, Sch Med, Bunkyo Ku, Tokyo 1138519, Japan
关键词
bladder cancer; superficial carcinoma; progression; prognostic factors; bladder;
D O I
10.1159/000019636
中图分类号
R5 [内科学]; R69 [泌尿科学(泌尿生殖系疾病)];
学科分类号
1002 ; 100201 ;
摘要
Objectives: To determine the significance of bladder neck involvement in predicting disease progression in superficial (stage Ta and T1) transitional cell carcinoma (TCC) of the urinary bladder. Patients and Methods: A series of 277 patients with newly diagnosed superficial TCCs of the bladder was reviewed, and disease progression (to T2 or worse) was considered. The significance of several risk factors including bladder neck involvement was assessed in univariate and multivariate analysis. Results: Progression occurred in 28 (10.1%) of 277 patients during a median follow-up period of 7.7 years. Nineteen died of bladder cancer. The following variables were found to be statistically significant at the univariate analysis (p < 0.05): irritative symptoms, urine cytology, tumor stage, involvement of the bladder neck, and tumor grade. Indeed, only involvement of the bladder neck, tumor stage, and grade retained their value as independent factors for progression at multivariate analysis. Patients were divided into three groups according to the number of independent risk factors they had. Groups having none, one, and two or three risk factors included 129, 99, and 49 patients with 5-year progression rates of 0.8, 4.6 and 27.5%, and 15-year rates of 4.0, 20.1 and 42.7%, respectively. Conclusion: Involvement of the bladder neck is a significant and independent risk factor for progression of superficial TCCs in addition to the histologic grade and stage. The combination of these three risk factors offers better prediction of progression in an individual patient.
引用
收藏
页码:464 / 468
页数:5
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