新辅助化疗与辅助化疗治疗肌层浸润性膀胱癌的疗效比较

 目的 对接受新辅助和辅助化疗的膀胱癌患者临床疗效进行对比，为化疗时机的选择作初步探索。方法 回顾性研究湖北省肿瘤医院2009—2016年诊断为肌层浸润性膀胱癌并在全膀胱术前（新辅助）或术后（辅助）接受了GC方案化疗的患者。主要研究终点是无复发生存期（recurrencefree survival, RFS）。次要研究终点是临床完全缓解率（complete response, CR）。结果 共38例肌层浸润性膀胱癌患者纳入研究（22例新辅助+16例辅助）。在中位随访时间点时，新辅助和辅助化疗组的RFS相比较差异无统计学意义（69.6% vs.75.4%, P=0.223）。在中位随访时间点上接受新辅助化疗后病理完全缓解组（pT0）与非完全缓解组（non-pT0）的RFS分别为100%和50%（P=0.012），差异有统计学意义。两组患者在接受化疗治疗后出现3~4级严重血液学不良反应的人数比例相比较差异无统计学意义（P=0.36）。结论 接受新辅助或辅助化疗的肌层浸润性膀胱癌患者的RFS相比较差异无统计学意义，新辅助化疗后达到病理完全缓解的患者均未出现肿瘤复发，但尚需更多的研究来证实。     

Patient Characteristics,Treatment Patterns and Prognostic Factors in Squamous Cell Bladder Cancer

Background

Squamous cell carcinoma (SCC) is an uncommon histologic subtype of bladder cancer with limited data on treatment patterns, outcomes, and prognostic factors. “Real world” information might inform decision-making, prognostic estimates, and clinical trial designs.

Small cell carcinoma of the urinary bladder. The Mayo Clinic experience

BACKGROUND: Small cell carcinoma (SCC) of the urinary bladder accounts for 0.35-0.70% of all bladder tumors. There is no standard approach to the management of SCC of the urinary bladder. METHODS: The authors performed a retrospective study at Mayo Clinic (Rochester, MN) to characterize the clinical and pathologic features of patients with SCC of the urinary bladder diagnosed between 1975 and 2003 with emphasis on management. RESULTS: Forty-four patients were identified who had primary bladder SCC, 61.4% of whom had pure SCC. The male:female ratio was 3:1, the mean age was 66.9 years, and the mean follow-up was 3.2 years. Twelve patients (27.3%) had Stage II disease, 13 patients (29.6%) had Stage III disease, and 19 patients (43.2%) had Stage IV disease. The overall median survival was 1.7 years. The 5-year survival rates for patients with Stage II, III, and IV disease were 63.6%, 15.4%, and 10.5%, respectively. Six of eight patients with Stage II bladder SCC achieved a cure with radical cystectomy. Five patients with Stage IV disease had obvious metastases and received chemotherapy. Fourteen patients underwent radical cystectomy and were diagnosed later with locally advanced disease (T4b) or lymph node metastasis (N1-N3; Stage IV disease). Only 2 of 19 patients with Stage IV disease who received adjuvant chemotherapy were alive at 5 years. CONCLUSIONS: Patients with bladder SCC should undergo radical cystectomy except when metastatic disease is present (M1), in which case, systemic chemotherapy is indicated. Adjuvant treatment is not indicated for patients with Stage II disease after radical cystectomy but should be considered for patients with Stage III and IV disease. Chemotherapy should be a platinum-based regimen.     

Surgical factors influence bladder cancer outcomes: a cooperative group report.

PURPOSE: A randomized, cooperative group trial (Southwest Oncology Group 8710, Intergroup 0080) reported that neoadjuvant chemotherapy improved the survival of patients with locally advanced bladder cancer who were treated with radical cystectomy. We evaluated whether surgical factors from patients enrolled onto the study predicted bladder cancer outcomes. PATIENTS AND METHODS: Surgical and tumor factors were recorded from surgical and pathologic reports from 268 patients with muscle-invasive bladder cancer who received radical cystectomy. Cystectomies were performed by 106 surgeons in 109 institutions. Half of the patients received neoadjuvant methotrexate, vinblastine, doxorubicin, and cisplatin (MVAC) chemotherapy. Variables were tested in univariate and multivariate analyses for associations with postcystectomy survival (PCS) and local recurrence (LR) in all patients receiving cystectomy. RESULTS: Five-year PCS and LR rates were 54% and 15%, respectively. A multivariate model adjusted for MVAC (P =.97), age (P =.03), pathologic stage (P =.0002), and node status (P =.04) showed that surgical variables associated with longer PCS were negative margins (v positive; hazard ratio [HR], 0.37; P =.0007), and > or = 10 nodes removed (v < 10; HR, 0.51; P =.0001). These associations did not differ by treatment arms (P >.21 for all tests of interactions between treatment and surgical variables). Predictors of LR in a multivariate model adjusted for MVAC (P =.16), pathologic stage (P =.02), and node status (P =.37) were positive margins (v negative; odds ratio [OR], 11.2; P =.0001) and fewer than 10 nodes removed (v > or = 10; OR, 5.1; P =.002). CONCLUSION: Surgical factors influence bladder cancer outcomes after cystectomy, after adjustment for pathologic factors and neoadjuvant chemotherapy usage.     

Lymphatic invasion is a prognostic factor for bladder cancer treated with radical cystectomy

Background We aimed to elucidate the significance of pathological prognostic factors in patients with bladder cancer treated with radical cystectomy and pelvic lymphadenectomy focusing on the association between lymphatic invasion and disease recurrence. Methods Ninety-one patients with ladder cancer who had undergone radical cystectomy were examined retrospectively. Clinicopathological findings and clinical outcomes were analyzed. Patients who received palliative cystectomy or neoadjuvant chemotherapy and patients who did not receive lymphadenectomy owing to a poor general condition or far advanced local disease status were excluded. Results Lymphatic invasion and lymph node involvement were present in 45.1% and 23.1% of patients, respectively. Multivariate analyses, using the Cox proportional hazards model, indicated that lymphatic invasion (hazard ratio [HR], 5.30; P = 0.007) and lymph node involvement (HR = 3.05; P = 0.016) were independent prognostic factors for disease-specific survival. Of the 91 patients, 29 (31.9%) had recurrent disease during the follow-up period. The rate of recurrence in patients with lymphatic invasion and without lymph node involvement was 50% (11/22), which was not significantly different from that in patients with both lymphatic invasion and lymph node involvement (73.7%; 14/19; P = 0.121), indicating a high risk of disease recurrence in patients with bladder cancer with lymphatic invasion even in the absence of the lymph node involvement. Conclusion In patients with bladder cancer treated with radical cystectomy, lymphatic invasion is an independent prognostic factor for disease-specific and disease-free survival. Patients with lymphatic invasion have a high risk of disease recurrence after radical cystectomy even in the absence of lymph node involvement.     

SMALL CELL CARCINOMA OF THE URINARY BLADDER：THREE CASES REPORT

Objective: To study the clinical features of patients with primary small cell carcinoma (SCC) of the bladder and to improve the diagnosis and treatment. Methods:Clinical data of 3 cases with primary SCC of the bladder were discussed and the pathology, diagnosis, treatment and prognosis were reviewed. Results: 3 cases of primary SCC of the bladder were presented. Of them the diagnosis was confirmed by pathological examination after operation (2 cases) and biopsy (1 case). One case with stage T4M1 died after three months‘ chemotherapy. One case with stage T2M0 underwent partial cystectomy and was treated with chemotherapy and one year later died of miocardial infarction. Another case with stage T4M0 underwent radical cystectomy and postoperative irradiation therapy. The patient was alive and had no recurrence of symptoms during two years follow-up. Conclusion: Primary SCC of the urinary bladder is highly malignant. Radical cystectomy combined with radiotherapy appears to be the efficient treatment. Chemotherapy seems to be of no significant effect.     

Lymphovascular invasion,ureteral reimplantation and prior history of urothelial carcinoma are associated with poor prognosis after partial cystectomy for muscle-invasive bladder cancer with negative pelvic lymph nodes

Purpose

To identify predictive factors underlying recurrence and survival after partial cystectomy for pelvic lymph node-negative muscle-invasive bladder cancer (MIBC) (urothelial carcinoma) and to report the results of partial cystectomy among select patients.

Methods

We retrospectively reviewed 101 cases that received partial cystectomy for MIBC (pT_2-3N₀M₀) between 2000 and 2010. The log-rank test and a Cox regression analyses were performed to identify factors that were predictive of recurrence and survival.

Results

With a median follow-up of 53.0 months (range 9–120), the 5-year overall survival (OS), cancer-specific survival (CSS) and recurrence-free survival (RFS) rates were 58%, 65% and 50%, respectively. A total of 33 patients died of bladder cancer and 52 patients survived with intact bladder.Of the 101 patients included, 55 had no recurrence, 12 had non-muscle-invasive recurrence in the bladder that was treated successfully, and 34 had recurrence with advanced disease.The multivariate analysis showed that prior history of urothelial carcinoma (PH.UC) was associated with both CSS and RFS and weakly associated with OS; lymphovascular invasion (LVI) and ureteral reimplantation (UR) were associated with OS, CSS and RFS.

Conclusions

Among patients with pelvic lymph node-negative MIBC, PH.UC and UR should be considered as contraindications for partial cystectomy, and LVI is predictive of poor outcomes after partial cystectomy. Highly selective partial cystectomy is a rational alternative to radical cystectomy for the treatment of MIBC with negative pelvic lymph nodes.     

Oncologic Outcomes of Squamous Cell Carcinoma Versus Urothelial Carcinoma With Squamous Differentiation After Radical Cystectomy for Bladder Carcinoma

IntroductionIn this study we aim to compare clinicopathological characteristics and cancer specific survival between patients treated with radical cystectomy for pure squamous cell carcinoma (SCC) and urothelial carcinoma with squamous differentiation (SqD).Patients and MethodsWe reviewed data of 1737 consecutive patients treated with radical cystectomy and urinary diversion between January 2004 and February 2014. Only patients with pure SCC or SqD were included in the analysis. Squamous differentiation was defined as intercellular bridges or keratinization in the tumor. Clinicopathological data and recurrence free survival (RFS) were compared between patients diagnosed with SCC and SqD.ResultsSCC and SqD were found in 318 and 223 patients, respectively. Mean age was 57 ± 8.3 years in SCC and 58.8 ± 7.8 in SqD (P = .008). A higher proportion of female patients was observed in SCC group compared to SqD (31.8% vs. 22% P < .0001). Patients with SqD were more likely to have extravesical (58.3% vs. 46.2%: P = .006) and nodal positive disease (34.5% vs. 14.5%: P < .0001) than pure SCC patients. Bilharzial eggs were found in 61% of SCC vs. 46% of SqD (P = .001).; The median (IQR) follow up period for SCC and SqD was 63 (12-112) months and 23 months (9-74.7), respectively. The 5-year RFS for SCC and SqD were 77% and 59.8 %, respectively (P < .0001).; Multivariate cox regression analysis identified advanced pT stage (OR: 1.9, 95% CI: 1.3-2.86, P = .0001), nodal positive disease (OR: 1.6, 95% CI: 1.1-2.48, P = .01) and SqD histology (OR: 1.6, 95% CI: 1.14-2.31, P = .007 as independent predictors of 5-year RFS.ConclusionPatient with SCC had significantly higher 5-year RFS in comparison to SqD. The higher rate of extravesical disease and lymph node metastasis in SqD patients is indicative of aggressive behavior of this histologic type.     

术前营养风险对膀胱癌根治术患者预后的影响

目的:探讨术前营养风险对膀胱癌根治术患者预后的影响。方法:回顾性分析2010年02月至2018年05月我院泌尿外科收治的186例行根治性全膀胱切除术患者的临床资料。术前采用营养风险评估表(NRS-2002)筛查患者营养风险,根据NRS-2002评分结果将患者分为有营养风险组（总评分≥3分）96例和无营养风险组（总评分＜3分）90例。比较两组患者临床资料;采用Kaplan-Meier模型对两组患者的肿瘤无复发生存期(recurrence free survival,RFS)和总生存期(overall survival,OS)进行分析;患者RFS和OS的独立危险因素采用多因素Cox比例风险回归模型分析。结果:有营养风险组和无营养风险组在病理T分期、肿瘤大小、是否淋巴结转移、肾积水方面比较差异有统计学意义(P＜0.05);有营养风险组和无营养风组险5年RFS率分别为29.17％(28/96)、45.56％(41/90),5年OS率分别为43.75％(42/96)、58.89％(53/90);Kaplan-Meier分析结果显示,有营养风险组患者的RFS和OS均短于无营养风险组(P＜0.05);Cox比例风险回归模型显示,术前营养风险是影响膀胱癌根治术患者RFS和OS的独立危险因素(P＜0.05)。结论:术前有营养风险是膀胱癌根治术患者RFS和OS的独立危险因素,有营养风险的患者术后预后更差。     

Clinical presentation and outcome of bladder schistosoma-unrelated squamous cell carcinoma: report on 33 consecutive cases

BACKGROUND: Pure squamous cell carcinoma (SCC) is a rare entity in Western countries. The management of SCC still remains similar to that of transitional carcinoma, although it is a different entity. A retrospective review is helpful in understanding the epidemiologic aspects, pathogenesis, and treatment and prognosis of schistosoma-unrelated SCC. PATIENTS AND METHODS: Between 1987 and 2002, 30 men and 3 women had been treated for pure SCC of the bladder, not related to bilharzias. RESULTS: The mean age of patients was 59 years (range, 29-83 years). They constitute 1.2% of all bladder tumors. At presentation, 2 patients had a distant metastasis. Eleven patients (34%) had a bladder stone with recurrent urinary tract infection; they had been treated since age 6-17 years. Twenty-one patients underwent radical cystectomy, followed by chemotherapy in 2 cases. At a mean follow-up of 5 years, 14 patients (66.6%) died of locoregional disease, with associated metastasis in 5 cases. Seven patients (33.3%) are alive without any evidence of disease. The survival rate was correlated with tumor stage. CONCLUSION: The unrelated SCC has an unfavorable prognosis, mostly caused by the locally advanced disease at the time of presentation. Distant metastases are not rare. The transfer of novel chemotherapy regimens and preoperative radiation therapy should be considered because pelvic recurrences are the leading cause of progression in SCC.     

The prognostic value of angiogenesis factor expression for predicting recurrence and metastasis of bladder cancer after neoadjuvant chemotherapy and radical cystectomy.

To determine the prognostic value of angiogenesis factor expression for patients with muscle-invasive transitional cell carcinoma (TCC) of the bladder treated with neoadjuvant methotrexate, vinblastine, doxorubicin, and cisplatin (M-VAC) chemotherapy and radical cystectomy, we evaluated the expression of basic fibroblast growth factor (bFGF), vascular endothelial growth factor (VEGF), and interleukin 8 (IL-8) by in situ hybridization, and we determined microvessel density (MVD) by immunohistochemistry. These factors were evaluated in 55 biopsy specimens prior to therapy and in the cystectomy specimens of 51 patients after completion of therapy. By univariate analysis, VEGF expression and MVD in the biopsy specimens were significant predictors of disease recurrence. By multivariate analysis, only VEGF expression was an independent prognostic factor. Pathological stage, bFGF expression, and MVD in the cystectomy specimens after therapy were all independent prognostic factors for disease recurrence. The results of this exploratory study indicate that the expression levels of VEGF and bFGF as indicated by in situ hybridization and MVD as indicated by immunohistochemistry identify patients with muscle-invasive TCC who are at high risk of developing metastasis after aggressive therapy with systemic M-VAC chemotherapy and radical cystectomy.     

Ki-67 is an independent predictor of bladder cancer outcome in patients treated with radical cystectomy for organ-confined disease.

PURPOSE: To determine the association of the cell proliferative marker Ki-67 with pathologic features and disease prognosis in patients with transitional cell carcinoma (TCC) of the urinary bladder. Methods: Immunohistochemical staining for Ki-67 was done on serial cuts from tissue microarrays containing cystectomy specimens from 9 patients without bladder cancer and 226 consecutive patients with bladder TCC. We also assessed malignant lymph nodes from 50 of the 226 cystectomy patients. RESULTS: Ki-67 expression was increased in 42.5% cystectomy specimens and in 54% metastatic lymph nodes. In contrast, it was absent in all nine benign cystectomy specimens. Ki-67 overexpression was associated with advanced pathologic stage, higher grade, lymphovascular invasion, and metastases to lymph nodes (P = 0.001, 0.040, 0.031, and 0.036, respectively). In multivariate analyses, pathologic stage and lymph node metastases were independent predictors of disease recurrence and bladder cancer-specific mortality. In the subgroup of patients with organ-confined disease (相似文献   

Recurrence after neoadjuvant therapy and resection of borderline resectable and locally advanced pancreatic cancer

IntroductionThe incidence, timing, and implications of recurrence in patients who underwent neoadjuvant treatment and surgical resection of borderline resectable (BRPC) or locally advanced (LAPC) pancreatic cancer are not well established.Materials and methodsPatients with BRPC/LAPC who underwent post-neoadjuvant resection between 2007 and 2015 were included. Associations between clinicopathologic characteristics and specific recurrence locations, recurrence-free survival (RFS), and overall survival from resection (OS) were assessed using Cox regression analyses.ResultsFor 231 included patients, median survival from diagnosis and resection were 28.0 and 19.8 months, respectively. After a median RFS of 7.9 months, 189 (81.8%) patients had recurred. Multiple-site (n = 87, 46.0%) and liver-only recurrence (n = 28, 14.8%) generally occurred earlier and resulted in significantly worse OS when compared to local-only (n = 52, 27.5%) or lung-only recurrence (n = 18, 9.5%). Microscopic perineural invasion, yN1-yN2 status and elevated pre-surgery CA 19-9 >100 U/mL were associated with both local-only and multiple-site/liver-only recurrence. R1-margin was associated with local-only recurrence (HR 2.03). yN1-yN2 status and microscopic perineural invasion were independent predictors for both poor RFS and OS, while yT3-yT4 tumor stage (HR 1.39) and poor tumor differentiation (HR 1.60) were only predictive of poor OS. Adjuvant therapy was independently associated with both prolonged RFS (HR 0.73; median 7.0 vs. 10.9 months) and OS (HR 0.69; median 15.4 vs. 22.7 months).ConclusionDespite neoadjuvant therapy leading to resection and relatively favorable pathologic tumor characteristics in BRPC/LAPC patients, more than 80% of patients experienced disease recurrence, 72.5% of which occurred at distant sites.     

Neoadjuvant Chemotherapy in Bladder Cancer

Despite radical cystectomy for muscle-invasive bladder cancer, approximately 50% of patients with this disease will develop metastatic progression. Neoadjuvant systemic chemotherapy can be administered to decrease the risk of recurrence. Multiple randomized trials have addressed the effect of neoadjuvant chemotherapy on survival in patients with muscle-invasive bladder cancer. A recently published meta-analysis demonstrated a survival benefit with cisplatin-based neoadjuvant chemotherapy for patients with muscle-invasive bladder cancer.     

Relevance of extracapsular extension of pelvic lymph node metastasis in patients with bladder cancer treated in the contemporary era

BACKGROUND: Previous reports have suggested that extracapsular extension (ECE) is a prognostic factor in patients with urothelial carcinoma who have positive lymph nodes at the time of radical cystectomy. In the current study, the relevance of ECE in patients treated in the contemporary era was evaluated. METHODS: A database search from 1993 to 2003 revealed 150 patients with pN+M0 disease detected after radical cystectomy; of these, 108 patients did not receive neoadjuvant chemotherapy and form the basis of the current report. Overall survival (OS), disease-specific survival (DSS), and recurrence-free survival (RFS) data were analyzed by the Kaplan-Meier method, with log-rank tests used to evaluate associations between survival and variables studied. RESULTS: Five-year OS, DSS, and RFS rates were 30.9%, 45.5%, and 29.7%, respectively. Adjuvant chemotherapy was administered to 70% of patients. On multivariate analysis, adjuvant chemotherapy was significantly associated with prolonged OS, DSS, and RFS (P 相似文献   

Multiple biomarkers improve prediction of bladder cancer recurrence and mortality in patients undergoing cystectomy

BACKGROUND: Tested was whether the assessment of 5 established bladder cancer biomarkers (p53, pRB, p21, p27, and cyclin E1) could improve the ability to predict disease recurrence and cancer-specific survival after radical cystectomy in patients with pTa-3N0M0 urothelial carcinoma of the bladder (UCB). METHODS: The study comprised 191 patients with pTa-3N0M0 UCB treated with radical cystectomy and bilateral lymphadenectomy (median follow-up, 3.1 years). Biomarker expression was assayed on serial tissue microarray slides using quantitative immunohistochemistry using advanced cell imaging and color detection software. Predictive accuracy was quantified using the concordance index and 200-bootstrap resamples were used to reduce overfit bias. Bootstrap-adjusted predictive accuracy estimates were compared using the Mantel-Haenszel test. RESULTS: UCB recurred in 36 (18.8%) patients and 30 (15.7%) died of bladder cancer; 157 (82.2%) patients had altered expression of at least 1 biomarker. In univariate analyses the number of altered biomarkers had the highest predictive accuracy for both disease recurrence (76.8%, P< .001) and cancer-specific mortality (78.3%, P< .001). Addition of the number of altered biomarkers increased the predictive accuracy of nomograms based on the TNM staging system for disease recurrence and cancer-specific mortality by 10.9% (83.4% vs 72.5%, P< .001) and 8.6% (86.9% vs 78.3, P< .001), respectively. CONCLUSIONS: Assessment of the number of altered biomarkers in the cystectomy specimen improves the prediction of bladder cancer recurrence and survival in patients with pTa-3N0M0 disease. Prospective evaluation of alteration in these biomarkers can help identify patients who would benefit from adjuvant treatment after radical cystectomy.     

Micropapillary bladder cancer: a review of the University of Texas M. D. Anderson Cancer Center experience with 100 consecutive patients

BACKGROUND: Micropapillary bladder carcinoma is a rare variant of urothelial carcinoma. To improve understanding of this disease, the authors performed a retrospective review of their experience. METHODS: The authors reviewed the records of 100 consecutive patients with micropapillary bladder cancer who were evaluated at The University of Texas M. D. Anderson Cancer Center. RESULTS: The mean age of the patients was 64.7 years, with a male:female ratio of 10:1. The TNM stage of disease at the time of presentation was Ta in 5 patients, carcinoma in situ (CIS) in 4 patients, T1 in 35 patients, T2 in 26 patients, T3 in 7 patients, T4 in 6 patients; N+ in 9 patients, and M+ in 8 patients. Kaplan-Meier estimates of 5-year and 10-year overall survival (OS) rates were 51% and 24%, respectively. Bladder-sparing therapy with intravesical bacillus Calmette-Guerin therapy was attempted in 27 of 44 patients with nonmuscle-invasive disease; 67% (18 patients) developed disease progression (>or=cT2), including 22% who developed metastatic disease. Of 55 patients undergoing radical cystectomy for surgically resectable disease (相似文献   

Effect of maintenance chemotherapy with gemcitabine and paclitaxel on recurrent squamous cell carcinoma of the bladder: a case report

Squamous cell carcinoma (SCC) of the bladder is a relatively rare malignancy and the standard treatment is surgical resection. Prognosis of unresectable and recurrent SCC of the bladder is poor because no effective treatment is available at present. Here, we describe the response of one patient with this cancer to combination chemotherapy of gemcitabine and paclitaxel. A 47-year-old man with recurrent bladder SCC underwent radical cystectomy, but initially refused any adjuvant therapy. The pathological diagnosis was pT3. The patient was treated with three cycles of methotrexate, vinblastin, epirubicin, and cisplatin but with no response (no decrease in tumor volume). Subsequently, he received the combination chemotherapy of gemcitabine (GEM, 700 mg/m(2) on days 1 and 8) and paclitaxel (PTX, 700 mg/m(2) on days 1 and 8) per each 28-day cycle. After five cycles, the tumor volume had decreased from 562 to 101 cm(3) (18.0%). The combination therapy was reduced to GEM monotherapy, but the tumor volume increased to 573 cm(3). GEM+PTX administration was re-instituted; however, the patient died 21 months after recurrence. The combination GEM+PTX chemotherapy was applied at the outpatient treatment and caused no severe side-effects. Although the maintenance chemotherapy of GEM+PTX did not induce complete remission, it improved quality of life and had no serious side-effects, making it a promising combination chemotherapy for recurrent SCC of the bladder. Although further studies are necessary to determine its therapeutic efficacy, we suggest that this combined therapy is a useful option in the treatment of this disease including recurrent cases.     

Indications for early cystectomy

Treatment goals for superficial bladder cancer are two-fold: (1) reducing tumor recurrence and the subsequent need for additional therapies (cystoscopy, transurethral resection, intravesical therapy) and the morbidity associated with these treatments; and (2) preventing tumor progression and the subsequent need for more aggressive therapy. The administration of intravesical therapy has become an important component in these treatment goals; however, there remains a group of patients with superficial bladder cancer that are at risk of disease progression, metastases, and death from their disease. The treating urologist must be extremely active and diligent when treating patients with superficial bladder cancer. An understanding of tumor biology and current intravesical therapies is important. Furthermore, and perhaps most important, the timely decision to abandon conservative therapy and proceed with radical cystectomy and urinary diversion should be kept in mind to prevent the potentially lethal sequelae of invasive bladder cancer. In view of the potential for recurrence, stage progression, and significant clinical understaging of patients with superficial bladder cancer, and the fact that radical cystectomy provides excellent results with regard to prevention of local recurrence and overall survival, radical cystectomy should be considered in patients with high-risk factors. Radical cystectomy may also provide important prognostic information and influence the decision for adjuvant therapy based on pathologic criteria. Finally, definite improvements in lower urinary tract reconstruction and nerve-sparing techniques have decreased the social implications of cystectomy for both men and women.     

浸润性膀胱癌的术前放疗及新辅助化疗

膀胱移行细胞癌是国内泌尿系最常见的恶性肿瘤,初诊时约有20%为浸润性,另有10%浅表性肿瘤最终也将发展为浸润性膀胱癌.根治性膀胱全切术是浸润性膀胱癌的标准疗法,超过50%的浸润性膀胱癌患者将死于远处转移.为了降低膀胱癌全切术后的局部复发率、远处转移率和提高总生存率,放化疗与手术的综合治疗已应用于临床.为评价术前放疗及新辅助化疗在治疗浸润性膀胱癌中的应用价值,已进行了大量的临床试验,但迄今为止,尚缺乏足够的证据表明术前放疗及新辅助化疗可常规用于临床.