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Fabien Saint

Publications and source records attributed to Fabien Saint.

At least 19 recordsLinked to original sources

Defining molecular profiles of poor outcome in patients with invasive bladder cancer using oligonucleotide microarrays.

PURPOSE: Bladder cancer is a common malignancy characterized by a poor clinical outcome when tumors progress into invasive disease. We sought to define genetic signatures characteristic of aggressive clinical behavior in advanced bladder tumors. METHODS: Oligonucleotide arrays were utilized to analyze the transcript profiles of 105 bladder tumors: 33 superficial, 72 invasive lesions, and 52 normal urothelium. Hierarchical clustering and supervised algorithms were used to classify and stratify bladder tumors on the basis of stage, node metastases, and overall survival. Immunohistochemical analyses on bladder cancer tissue arrays (n = 294 cases) served to validate associations between marker expression, staging and outcome. RESULTS: Hierarchical clustering classified normal urothelium, superficial, and invasive tumors with 82.2% accuracy, and stratified bladder tumors on the basis of clinical outcome. Predictive algorithms rendered an 89%-correct rate for tumor staging using genes differentially expressed between superficial and invasive tumors. Accuracies of 82% and 90% were obtained for predicting overall survival when considering all patients with bladder cancer or only patients with invasive disease, respectively. A genetic profile consisting of 174 probes was identified in those patients with positive lymph nodes and poor survival. Two independent Global Test runs confirmed the robust association of this profile with lymph node metastases (P = 7.3(-13)) and overall survival (P = 1.9(-14)) simultaneously. Immunohistochemical analyses on tissue arrays sustained the significant association of synuclein with tumor staging and clinical outcome (P = .002). CONCLUSION: Gene profiling provides a genomic-based classification scheme of diagnostic and prognostic utility for stratifying advanced bladder cancer. Identification of this poor outcome profile could assist in selecting patients who may benefit from more aggressive therapeutic intervention.

Gene Expression Profiling↗

The effect of ofloxacin on bacillus calmette-guerin induced toxicity in patients with superficial bladder cancer: results of a randomized, prospective, double-blind, placebo controlled, multicenter study.

PURPOSE: We determined whether prophylaxis with ofloxacin could decrease the toxicity of bacillus Calmette-Guerin for transitional cell carcinoma of the bladder. We also investigated the impact of ofloxacin on bacillus Calmette-Guerin antitumor efficacy. MATERIALS AND METHODS: In this randomized, double-blind, multicenter study 115 patients with primary or recurrent superficial bladder cancer (Ta/T1, CIS, G1-G3) and no prior bacillus Calmette-Guerin treatment were randomized to induction treatment with intravesical bacillus Calmette-Guerin (6 plus 3 instillations) plus 200 mg ofloxacin in group 1 or plus placebo in group 2. Adverse events were assessed using a detailed grid of classification for bacillus Calmette-Guerin related adverse events. Mean patient age +/- SD was 65.6 +/- 10.4 years in the 57 group 1 patients and 65.7 +/- 8.7 years in the 58 in group 2. Median followup was 369 and 374 days in groups 1 and 2, respectively. RESULTS: Ofloxacin significantly decreased by 18.5% the incidence of class II or higher moderate and severe adverse events between instillations 4 and 6. The percent of class III adverse events was significantly decreased by ofloxacin between instillations 1 and 9. Although ofloxacin decreased adverse events involving the lower urinary tract, it did not prevent class I adverse events. Compliance with full bacillus Calmette-Guerin treatment was also improved. Of patients in group 1, 80.7% received 9 instillations compared with 65.5% in group 2 (p = 0.092). At 12 months recurrence and progression rates in group 1 and 2 were 12.7% and 17.2%, and 5.5% and 1.7%, respectively. CONCLUSIONS: Prophylactic ofloxacin decreased the incidence of moderate to severe adverse events associated with bacillus Calmette-Guerin intravesical therapy, particularly class III events, which are primarily associated with patient dropout. Compliance with induction and maintenance therapy may be improved by adjuvant ofloxacin therapy. However, long-term comparative studies with other preventive strategies must be done to confirm these initial findings with compliance and recurrence-free survival as the primary end points.

Adjuvants, Immunologic↗

[Urodynamic changes after transobturator suburethral tape].

INTRODUCTION: Prospective study of urodynamic changes induced by transobturator insertion of suburethral tape a dip-stick under-urethral. MATERIALS AND METHODS: 25 women with pure (12) or mixed (13) stress urinary incontinence were operated by this technique, allowing urodynamic assessment and completion of the MHU urinary disability questionnaire. Three operators performed these 25 tape insertions in 2 centres (Amiens and St Quentin hospitals) according to a standardized technique. Six months after the operation, patients were reviewed by clinical examination, MHU questionnaire and urodynamic assessment. RESULTS: The cure rate at 6 months was 80% (20 patients) and the improvement rate was 20% (5 patients). The maximum flow rate decreased from 23.6 ml/s to 18.9 ml/s (p = 0.02) and the post-voiding residual volume increased from 26.8 ml to 66.8 ml (p = 0.01). Urethral resistance increased from 0.16 to. 0.25 (p = 0.03) and maximum closure pressure increased from 43.8 to 47.5 cm H2O (p = 0.02). These results demonstrate the obstructive nature of this suburethral tape. The results of the MHU questionnaire showed accentuation of dysuria (p = 0.04) and improvement of stress urinary incontinence (p < 0.001). CONCLUSION: This prospective study confirms the efficacy of this technique, but analysis of the urodynamic studies and the MHU questionnaire demonstrates obstruction. Long-term surveillance of these patients by uroflowmetry and residual urine appears to be useful to detect possible progression to chronic urinary retention.

Adult↗

Pretreatment p53 nuclear overexpression as a prognostic marker in superficial bladder cancer treated with Bacillus Calmette-Guérin (BCG).

INTRODUCTION: Altered p53 gene product correlates with the stage and grade of bladder tumor, but its value as a predictor of BCG response has been disappointing. In order to revisit the prognostic value of pretreatment p53 nuclear overexpression for the BCG response, we studied a large cohort of consecutive patients with superficial bladder cancer treated with BCG. METHODS: From 1988 to 2001, 102 patients with a history of multifocal, recurrent, and/or high-risk papillary transitional cell carcinoma or carcinoma in situ, were treated for the first time with BCG. p53 immunostaining was performed on paraffin-embedded tissues using monoclonal antibody DO7 and an automated immunostainer. Special attention was paid to the conditions of tumor fixation. p53 overexpression was defined as more than 20% tumor cells with p53-stained nuclei. RESULTS: Immunostaining was significantly higher for Ta/T1 G3 +/- Cis (p < 0.001), tumoral substage T1b (p = 0.001), grade 3 (p = 0.0001), and Cis (p = 0.002). Times to recurrence, progression and cancer death were shorter among patients with p53 overexpression (p = 0.03; p < 0.0001; p = 0.0003). In multivariate analysis, p53 overexpression was an independent predictor of recurrence (p = 0.0003) [RR = 0.15; 95%CI, 0.06 to 0.42]. CONCLUSION: Pretreatment p53 nuclear overexpression in superficial bladder tumors is associated with a high risk of disease recurrence, progression and cancer death after BCG therapy. Applying antibody DO7 with an automated immunostainer and stringent fixative conditions, p53 nuclear immunostaining yields clinically relevant information and may be a useful tool for selecting patients with superficial bladder cancer who might be resistant to BCG.

Adjuvants, Immunologic↗

[Emphysematous cystitis complicated by bladder perforation: diagnosis and treatment of a rare case].

Emphysematous cystitis is a rare disease mainly encountered in poorly controlled diabetics, immunodepressed patients or patients with infravesical obstruction. The pathophysiology of this disease is characterized by the formation of carbon dioxide (CO2) present in the lumen and/or bladder wall, derived from bacterial fermentation of carbohydrates. The bacteria most frequently responsible are facultative aerobes-anaerobes (Escherichia coli) and more rarely strict anaerobes (Clostridium perfringens). The authors report a case of emphysematous cystitis in a context of pelvic trauma and fracture of the pelvis, complicated by secondary bladder rupture. The diagnostic and therapeutic aspects are discussed.

Aged↗

[Natural history of a suspicious renal mass in a patient with gastric cancer: how to evaluate the risk of multiple primary tumours (MPT)?].

The coexistence of several tumours in the same patient is a rare phenomenon and corresponds to the multiple primary tumour (MPT) syndrome. The most frequently diagnosed MPT include gastrointestinal tumours associated with urological tumours. Overexpression of the STAG1 gene could explain the development of several solid tumours and could be the origin of the multiple primary tumour syndrome. A suspicious renal mass discovered at the same time as a documented cancer is usually a malignant lesion and may justify combined radical surgical treatment. The authors report the natural history of a suspicious renal mass in a patient with primary gastric tumour corresponding to a MPT syndrome. They recall and discuss the epidemiology, pathophysiology, diagnosis and treatment of MPT.

Adenocarcinoma↗

[Urothelial tumors].

Explore the source record for details and available documents.

Carcinoma, Transitional Cell↗

Urinary IL-2 assay for monitoring intravesical bacillus Calmette-Guérin response of superficial bladder cancer during induction course and maintenance therapy.

We evaluated the clinical significance of Th1(IL-2)/Th2(IL-10) urinary profiles during a weekly induction course lasting 6 weeks, followed by a weekly maintenance therapy schedule for 3 weeks. Urinary IL-2 and /IL-10 were measured by ELISA in 39 patients receiving BCG for superficial bladder cancer or carcinoma in situ. Measurements were made after each instillation of 81 mg of BCG Connaught (Immucyst) during the induction course and the 3-week maintenance therapy (given at 3, 6, 12, 18, 24, 30 and 36 months). Cytokine levels were correlated with the risk of recurrence, progression, leukocyturia and adverse events. Median follow-up was 35 months (range 7-72 months). Complete responses to BCG were obtained in 30 patients (77%); the remaining 9 patients relapsed (23%), and 4 of these patients progressed (10.2%). Failure to detect urinary IL-2 during BCG induction course and the first extended induction cycle (6+3 schedule) correlated with time to recurrence (p = 0.01) and progression (p = 0.01). During the extended induction cycle, the first instillation was associated with an IL-2 cytokine profile, whereas the second and third instillations were associated with a switch to an IL-10 cytokine profile. This switch was associated with leukocyturia (p = 0.0001) and adverse events (p = 0.03). The 6+3 schedule is associated with urinary IL-2 overproduction and improved recurrence- and progression-free survival. During the BCG extended induction cycle, the favorable IL-2 urinary cytokine pattern gradually switches to an IL-10 profile, suggesting that the schedule based on 3 weekly instillations may be unsuitable for some patients and that the dose and frequency of maintenance BCG instillations may be adapted to individual urinary cytokine levels.

Administration, Intravesical↗

Combined reporting of cancer control and functional results of radical prostatectomy.

INTRODUCTION: The results of radical prostatectomy (cancer control, continence and sexual potency) are currently presented separately, while the success of this surgery depends on a combination of good cancer control with maintenance of continence and erections. We propose a score to jointly evaluate and report cancer control and functional results. METHODS: The results of 205 radical prostatectomies were studied at one year. Cancer control was evaluated by PSA. Continence and sexual potency were evaluated by a self-administered questionnaire. Each patient was attributed 0 or 4 points according to the presence of absence of biochemical progression (PSA>0.2 ng/ml), 0 or 2 points according to the presence or absence of urinary incontinence (use of pads) and 0 or 1 point according to the presence or absence of impotence (no erections). The sum of these points provided a score classifying the patient into 8 distinct categories, from 0 to 7, each corresponding to a specific status (from 0 (0+0+0): no cancer control-incontinence-impotence to 7 (4+2+1): cancer control-continence-sexual potency). RESULTS: One year after the operation, 175 (85%) of patients had a PSA less than 0.2 ng/ml, 135 (65.8%) were continent and 64 (32.7%) reported erections. All patients with a score > or =4 had good cancer control, with no functional disorders for a score of 7 (4+2+1) (20%), no disorders of continence for a score of 6 (4+2+0) (31.5%), no disorders of erection for a score of 5 (4+0+1) (8.3%), or with incontinence and impotence for a score of 4 (4+0+0) (21.9%). All patients with a score <4 had a PSA>0.2 ng/ml, but with no functional disorders for a score of 3 (0+2+1) (2.4%), no incontinence for a score of 2 (0+2+0) (8.3%), and no impotence for a score of 1 (0+0+1) (1.9%). 1.9% of patients were incontinent, impotent and showed signs of biochemical progression (score 0=0+0+0). CONCLUSION: This score allows analysis of the global (cancer control and functional) results of radical prostatectomy and would facilitate comparisons between various surgical techniques (type of approach, nerve-sparing techniques) and various centres.

Aged↗

Location of positive surgical margins after retropubic, perineal, and laparoscopic radical prostatectomy for organ-confined prostate cancer.

OBJECTIVES: To evaluate and compare the location of positive surgical margins after retropubic, perineal, and laparoscopic radical prostatectomy for organ-confined prostate cancer (pT2). METHODS: From 1988 to 2001, 538 patients underwent radical prostatectomy for clinically localized prostate cancer. Patient age at surgery, clinical stage, preoperative prostate-specific antigen, and Gleason score of positive biopsies were noted. Postoperatively, specimen weight, final Gleason score, and capsular, seminal vesicle, and lymph node status, as well as tumor volume, were studied. The incidence and location of positive margins and the pathologic stage were noted according to the surgical approach. RESULTS: A total of 371 patients (69.5%) had organ-confined tumors. Of the 371 patients, 116 underwent the retropubic, 86 the perineal, and 169 the laparoscopic approach, and positive surgical margins were noted in 22 (18.9%), 12 (13.9%), and 32 (18.9%) patients, respectively. Positive surgical margins were reported in 72 specimen locations, 32 (44.4%) at the apex, 17 (23.6%) at the bladder neck, and 29 (31.9%) posterolaterally. The distribution for the retropubic, perineal, and laparoscopic approaches was apex in 50%, 33.3%, and 44.4%, bladder neck in 29.1%, 41.7%, and 13.9%, and posterolaterally in 20.8%, 25%, and 41.6%, respectively. CONCLUSIONS: In our series, each approach had a specific high-risk location of positive margins: the apex for the retropubic, the bladder neck for the perineal, and posterolaterally for the laparoscopic approach. Improvements in the surgical techniques should take these specific locations under consideration to decrease the incidence of positive surgical margins.

Adenocarcinoma↗

Prospective evaluation of a 21-sample needle biopsy procedure designed to improve the prostate cancer detection rate.

OBJECTIVES: To evaluate prospectively the diagnostic yield of a 21-sample ultrasound-guided needle biopsy procedure for prostate cancer in patients with elevated serum prostate-specific antigen and/or abnormal digital rectal examination findings. METHODS: Between December 2000 and May 2002, 303 patients underwent 21-sample needle biopsy under local anesthesia, comprising sextant biopsies at a 45 degrees angle, 3 biopsies in each peripheral zone at an 80 degrees angle, 3 biopsies in each transition zone (TZ), and 3 biopsies in the midline peripheral zone. Morbidity was assessed clinically. A short questionnaire was filled out by 90 consecutive patients. RESULTS: The cancer detection rate using 6 biopsy samples (sextant biopsies only), 12 samples (sextant plus lateral biopsies), 18 samples (sextant plus lateral plus TZ biopsies), and 21 samples (sextant plus lateral plus TZ, plus midline biopsies) was 22.7%, 28.3%, 30.7%, and 31.3%, respectively. The 21-sample procedure statistically improved the cancer detection rate by 37.9% relative to the 6-sample procedure. The improvement was most marked in patients with a prostate volume of more than 40 cm(3) (48.3%), patients with Stage T1c prostate disease (44.9%), patients undergoing repeat biopsy (66.2%), and patients with prostate-specific antigen levels greater than 10 ng/mL (38.5%). Adverse effects were infrequent (3%), consisting of prostatitis in 3 patients, acute urinary retention in 6 patients, and rectal bleeding requiring hospitalization in 1 patient taking aspirin. Using the questionnaire, 84% of patients reported macroscopic hematuria for an average of 3.4 days and hematospermia for 12.8 days, and 45% reported minor rectal bleeding lasting 1.1 days. The mean pain score, with a visual analog scale ranging between 0 (no pain) and 10 (intense pain), was 4.56. CONCLUSIONS: A 21-sample needle biopsy procedure increased the prostate cancer detection rate relative to a 6-sample procedure, without increasing morbidity. Patients with elevated prostate-specific antigen values should undergo sextant biopsies and at least 6 additional biopsies in the peripheral zone and 6 in the TZ.

Aged↗

Prognostic significance of tumor volume after radical prostatectomy: a multivariate analysis of pathological prognostic factors.

OBJECTIVES: To analyze the association between Gleason score, stage and status of surgical margins with tumor volume in prostate cancer progression after radical prostatectomy. METHODS: 200 consecutive radical prostatectomy specimens were analyzed. Preoperative clinical stage, PSA, results of prostate biopsies as well as pathological results were noted. A biochemical recurrence was defined as a single, postoperative detectable PSA level (>0.2 ng/ml). Tumor volume was compared to postoperative staging, Gleason score, and surgical margin status to predict tumor progression. Univariate and multivariate analysis using stepwise logistic regression were used to identify parameters with additional prognostic value. RESULTS: Pathological results of the prostatectomy specimens showed 149 (74.5%) pT2a-b, 29 (14.5%) pT3a and 22 (11%) pT3b tumors. Tumor volume was 0.57 cc for pT2a, 1.2cc for pT2b, 1.7cc for pT3a and 2.9cc for pT3b, respectively (p<0.05). Taken together, mean volume for pT2 and pT3 were 1.06 and 2.2 cc, respectively (p<0.0001). Five-year progression-free actuarial survival was 69.7%. Using univariate analysis, tumor progression correlated with final Gleason score (p<0.0007), positive surgical margins (p=0.02), tumor volume (p=0.009) and stage (p<0.0001). In a multivariate analysis, tumor progression correlated only with the final Gleason score (p=0.04) and stage (p=0.0002). CONCLUSION: Gleason score and pathological stage are independent factors to predict prostate cancer progression after radical prostatectomy. When these parameters are known, tumor volume does not provide additional information.

Aged↗

Do prognostic parameters of remission versus relapse after Bacillus Calmette-Guérin (BCG) immunotherapy exist?. analysis of a quarter century of literature.

OBJECTIVE: To review prognostic factors identified in clinical trials for remission versus relapse after intravesical adjuvant Bacillus Calmette-Guérin (BCG) immunotherapy for superficial bladder cancer (Ta, T1, and carcinoma in situ). MATERIALS AND METHODS: Information was retrieved by a MEDLINE search of the English literature. Indexing terms comprised bladder cancer, bladder neoplasm, BCG vaccine, superficial bladder cancer, immunotherapy, intravesical therapy, prognostic marker, and Bacillus Calmette-Guérin. Fifty clinical studies were assessed for the strength of their results on the therapeutic response to BCG instillation. Emphasis was placed on clinical trials that assessed tumor and/or host characteristics, immunological reactions, recurrence rates, progression rates and disease-specific survival after BCG. RESULTS: The predictive value of host factors is extremely controversial, but marked adverse reactions to BCG instillation appear to be associated with a better tumor response. Traditional pathological tumor characteristics, molecular markers (p53) and immunological status (PPD skin test) do not appear to have prognostic value in this setting. There is increasing evidence that immunologic markers are predictive of the BCG response, but most of them have not yet been assessed in large prospective studies. Histologic/cytologic response criteria are the critical determinant of post-BCG outcome. CONCLUSIONS: After a quarter century of clinical research, no independent prognostic factor for the bladder tumor response to BCG has yet been identified. Sophisticated individual therapeutic approaches (SITA) appear to be the most promising. Nomograms based on host, tumor and immunological characteristics may help with clinical decision-making and with rationalized BCG schedule design.

Administration, Intravesical↗

Introducing a new, simple scoring system to evaluate oncological and functional outcome after radical prostatectomy.

OBJECTIVE: To create a scoring system which takes into account oncological outcome and functional results (continence and erectile function) of patients after radical prostatectomy. MATERIAL AND METHODS: A total of 146 consecutive men underwent radical prostatectomy for localized prostate cancer and were evaluated 1 year after surgery. Biochemical recurrence was defined as a single postoperative prostate-specific antigen (PSA) level of > 0.2 ng/ml. Continence, defined as not using a pad, and potency, defined as the ability to achieve and maintain an erection suitable for sexual intercourse, were evaluated by means of a prospective, self-administered questionnaire. Each patient received 4 points (if PSA was <0.2 ng/ml) or 0 points (if PSA was >0.2 ng/ml) for oncological outcome, 2 points (if continent) or 0 points (if incontinent) for urinary continence and 1 point (if potent) or 0 points (if impotent) for erectile function. The total score was calculated, with higher scores indicating a better outcome. The unique feature of this scoring system is that each individual score represents a particular clinical status regarding oncological and functional outcome. RESULTS: One year after surgery, 121 (82.8%) patients had PSA levels of <0.2 ng/ml, 103 (70.5%) were continent and 53 (36.3%) were potent. Patients with a total score of > or =4 points had good cancer control and could be further subdivided into those who were continent and potent (7 points; 22.6%), those who were continent but had erectile dysfunction (ED) (6 points; 34.2%), those who were incontinent and potent (5 points; 8.2%) and those who were incontinent and had ED (4 points; 17.8%). Similarly, patients with a score of <4 points had no cancer control and could be further subdivided into those who were continent and potent (3 points; 3.4%), those who were continent but had ED (2 points; 10.3%), those who were incontinent and potent (1 point; 2.1%) and those who were incontinent and had ED (0 points; 1.3%). CONCLUSIONS: This scoring system includes the three most important outcomes after radical prostatectomy, namely cancer control, continence and erectile function. It may allow us to better evaluate, communicate and compare the results of radical prostatectomy in a multinational, multicenter setting.

Aged↗

MUC6 is a marker of seminal vesicle-ejaculatory duct epithelium and is useful for the differential diagnosis with prostate adenocarcinoma.

The diagnosis of prostate adenocarcinoma is usually made on needle biopsies. Numerous benign lesions may mimic malignancy, especially when the focus of carcinoma is limited. The presence of seminal vesicle-ejaculatory duct epithelium on prostate biopsy is not rare and could cause confusion with adenocarcinoma. Lipochrome pigments are frequently encountered in seminal vesicle-ejaculatory duct but may be also seen in prostate adenocarcinoma. Prostate specific antigen immunostaining in difficult cases is sometimes used, but high-grade adenocarcinomas may be negative. In one previous report, MUC6 was found to be expressed in seminal vesicle but not in normal prostate. MUC6 belongs to the family of human mucin genes. So we investigated herein the immunohistochemical expression of MUC6 in prostate adenocarcinomas and seminal vesicle-ejaculatory duct. We have tested 30 prostate adenocarcinomas of various grade, 10 normal seminal vesicles, and 10 prostate adenocarcinomas invading the seminal vesicles. The tissues were fixed in 10% buffered formalin and embedded in paraffin. Immunohistochemistry was performed using the avidin-biotin-peroxidase complex technique. All adenocarcinomas and normal prostate structures tested were negative. In contrast, all seminal vesicles were diffusely immunostained with MUC6 antibody. We concluded that MUC6 is a valuable marker of seminal vesicle-ejaculatory duct and is useful for the differential diagnosis with prostate adenocarcinoma.

Adenocarcinoma↗

Prognostic consequences of the location of positive surgical margins in organ-confined prostate cancer.

INTRODUCTION: The purpose of the present study was to evaluate and compare the risk of progression in organ-confined prostate cancers (stage pT2), according to the location of positive surgical margins. MATERIALS AND METHODS: Between 1988 and 2001, 538 consecutive men underwent radical prostatectomy for localized prostate cancer. All patients had preoperative physical examinations, serum PSA assays (Hybritech assay, N.l. <4 ng/ml) and ultrasound-guided sextant biopsies to confirm diagnosis. Radical prostatectomy specimens were analyzed according to the Stanford protocol. Positive margins were classified as single or multiple and main locations (apex, bladder neck and posterolateral) were noted. Postoperative follow-up data were obtained through routine serum PSA assays. Biochemical recurrence was defined as a single postoperative PSA level >0.2 ng/ml. Biochemical progression was studied in patients with organ-confined tumors (stage pT2) according to the location of the single positive margin. Kaplan-Meier analysis was performed to determine the actuarial biochemical recurrence-free likelihood and the log-rank test was used for statistical analysis. Differences were considered significant when the p value was <0.05. RESULTS: 371 patients had organ-confined tumors, and 60 patients (16.1%) had solitary positive margins (apex 26, bladder neck 14, posterolaterally 20). Eleven patients (18.3%) had biochemical progression. 5-year biochemical free progression was 54.5, 76.9 and 87.9% for apex, bladder and the posterolateral location, respectively (p < 0.05). CONCLUSIONS: In the present study, a positive surgical margin at the apex was associated with worse clinical prognosis compared to the bladder neck and posterolateral locations.

Humans↗