Transitional cell carcinoma involving the prostate: A clinicopathological retrospective study of 76 cases

被引:64
作者
Ngninkeu, BN [1 ]
Lorge, F
Moulin, P
Jamart, J
Van Cangh, PJ
机构
[1] Catholic Univ Louvain, Clin Univ Mont Godinne, Div Urol, Yvoir, Belgium
[2] Catholic Univ Louvain, Clin Univ St Luc, Dept Pathol, Yvoir, Belgium
[3] Catholic Univ Louvain, Clin Univ Mont Godinne, Ctr Biostat & Med Documentat, Yvoir, Belgium
关键词
prostate; bladder neoplasms; carcinoma; transitional cell; cystectomy; neoplasm invasiveness;
D O I
10.1097/01.ju.0000042810.43380.36
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
Purpose: We reviewed the degree to which extension from transitional cell carcinoma into the prostate affects survival. We also compared whether prostatic stromal. invasion occurring via direct extension through the bladder wall differs from stromal. invasion arising intraurethrally. Materials and Methods: A total of 76 men who underwent radical cystectomy for transitional cell carcinoma also had prostate involvement. Patients were separated into group 1-18 with primary bladder tumor extending transmurally through the bladder wall to invade the prostate and group 2-58 with prostate involvement arising from within the prostatic urethra. In the latter group the degree of prostate invasion was classified as urethral mucosal involvement, ductal/acinar involvement and stromal invasion. Results: The 5-year overall survival and recurrence-free rate were 22% and 28% in group 1 versus 43% and 45% in group 2, respectively. In group 2 survival rates were similar in those with prostatic urethral and ductal tumors (without stromal invasion). Five-year overall survival rates without and with stromal invasion were 49% and 25%, respectively (p = 0.024). Prostate involvement decreased survival, which varied according to primary bladder stages (Pis, P1, P2a/b and P3a/b, p = 0.004) or superficial (Pis, Pa and P1) and muscle invasive (P2a/b and P3/b p = 0.045), disease in 2 groups. Those with positive lymph nodes experienced poorer outcomes in each group. The 5-year overall survival rate in the 19 men with positive lymph nodes was 13% and it was 44% with negative lymph nodes (p = 0.034). The major prognostic factors were age, degree of prostate invasion and lymph node involvement. Conclusions: The invasion pathways of prostate invasion in patients with transitional cell bladder carcinoma have a statistically significant prognostic role in survival. Transitional cell carcinoma of the bladder extending into the prostate through the bladder wall and bladder carcinoma that did not directly infiltrate the prostate through the bladder wall are 2 distinct clinicopathological entities that should not be included in the same staging grade.
引用
收藏
页码:149 / 152
页数:4
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