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7 result(s) for "Gres, Pascal"
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Influence of Positive Surgical Margin Status After Radical Nephroureterectomy on Upper Urinary Tract Urothelial Carcinoma Survival
Background The influence of a positive surgical margin (PSM) on survival outcome of post radical nephroureterectomy (RNU) for upper urinary tract urothelial carcinoma (UUT-UC) is unclear. The objectives of this study were to determine the significance of PSM on cancer-specific survival (CSS), recurrence-free survival (RFS), and metastasis-free survival (MFS) post RNU. Methods From a multicenter collaborative database, data on SM status, stage, grade, lymph node status, lymphovascular invasion (LVI), tumor location, follow-up, and survival was retrieved for 472 patients. Patients underwent open RNU with bladder cuff excision. Clinicopathological features were compared using χ 2 or Fisher exact test and unpaired t test for categorical and continuous variables, respectively. Survival was estimated using the Kaplan–Meier method, and univariate and multivariate Cox proportional hazards regression models were calculated. Results Median follow-up was 27.5 months (12.1–49.3 months). PSM was identified in 44 patients (9.3 %) and correlated with pT stage ( p  = 0.002), grade ( p  < 0.001), LVI ( p  < 0.001), and location ( p  < 0.001). Univariate analyses revealed that PSM was a poor prognostic factor for CSS, RFS, and MFS ( p  = 0.003, 0.04, and <0.001, respectively). The 5-yr CSS and MFS for PSM was 59.1 and 51.6 %, respectively, compared with 83.3 and 79.3 % for patients with negative SM. Multivariate analyses revealed that SM status was an independent predictor of MFS [hazard ratio 2.7; p  = 0.001). Conclusions PSM after RNU is an important prognostic factor for developing UUT-UC metastases. The status of the surgical margin should be systematically reported on the pathological report and may be a useful variable to include in nomogram risk prediction tools.
Clinicopathological Characteristics of Incidental Prostate Cancer Discovered from Radical Cystoprostatectomy Specimen: A Multicenter French Study
ABSTRACT Purpose The present study assessed the incidence and histopathological features of incidentally diagnosed prostate cancer (PCa) in specimens from radical cystoprostatectomy (RCP) for bladder cancer. The patient outcomes also were evaluated. Methods We retrospectively reviewed the histopathological features and survival data of 4,299 male patients who underwent a RCP for bladder cancer at 25 French centers between January 1996 and June 2012. No patients had preoperative clinical or biological suspicion of PCa. Results Among the 4,299 RCP specimens, PCa was diagnosed in 931 patients (21.7 %). Most tumors (90.1 %) were organ-confined (pT2), whereas 9.9 % of them were diagnosed at a locally advanced stage (≥pT3). Gleason score was <6 in 129 cases (13.9 %), 6 in 575 cases (61.7 %), 7 (3 + 4) in 149 cases (16.0 %), 7 (4 + 3) in 38 cases (4.1 %), and >7 in 40 cases (4.3 %). After a median follow-up of 25.5 months (interquartile range 14.2–47.4), 35.4 % of patients had bladder cancer recurrence and 23.8 % died of bladder cancer. Only 16 patients (1.9 %) experienced PCa biochemical recurrence during follow-up, and no preoperative predictive factor was identified. No patients died from PCa. Conclusions The rate of incidentally diagnosed PCa in RCP specimens was 21.7 %. The majority of these PCas were organ-confined. PCa recurrence occurred in only 1.9 % of cases during follow-up.
Risk stratification of metastatic recurrence in invasive upper urinary tract carcinoma after radical nephroureterectomy without lymphadenectomy
Purpose To assess the risk factors of metastasis relapse in pT2-3 upper tract urothelial carcinomas (UTUCs) treated by radical nephroureterectomy (RNU) without lymphadenectomy (LN). Methods A multicentric retrospective study was performed for pT2-3 pNx UTUCs treated by RNU between 1995 and 2010. The following criteria were retrieved: age, gender, American Society of Anaesthesiologists physical status, surgical approach, preoperative hydronephrosis, stage, grade, tumor location, surgical margin, lymphovascular invasion (LVI) status and outcomes. Metastasis-free survival (MFS) was measured by Kaplan–Meier method with the log-rank test. Results Overall, 151 patients were included. The median follow-up was 18.5 months (IQR 9.5–37.9). The 2- and 5-year MFS were 69 % ± 4.5 and 54.1 % ± 5.8, respectively. In univariate analysis, ureteral location, pT3 stage, positive LVI status and positive surgical margin were significantly associated with worse MFS ( p  = 0.03; 0.02; 0.01 and 0.006, respectively). In the multivariate analysis of ureteral location and pT3 stage were independent prognostic factors ( p  = 0.03 and 0.03, respectively). Based on the results of the univariate analysis, we proposed a risk model predicting MFS, which classifies patients into 3 categories with different overall survival ( p  < 0.001). Conclusion In view of our data, tumor location, T stage, LVI and surgical margin status are mandatory to predict survival in case of RN without LN. Contingent upon external validation, our risk model based on these variables could be useful to provide relevant information concerning metastasis relapse probability and necessity of close follow-up for these patients.
Postoperative ileus concealing intra-abdominal complications in enhanced recovery programs—a retrospective analysis of the GRACE database
Purpose Postoperative ileus (POI) occurrence within enhanced recovery programs (ERPs) has decreased. Also, intra-abdominal complications (IAC) such as anastomotic leakage (AL) generally present late. The aim was to characterize the link between POI and the other complications occurring after surgery. Methods This retrospective analysis of a prospective database was conducted by the Francophone Group for Enhanced Recovery after Surgery. POI was considered to be present if gastrointestinal functions had not been recovered within 3 days following surgery or if a nasogastric tube replacement was required. Results Of the 2773 patients who took part in the study, 2335 underwent colorectal resections (83.8%) for cancer, benign tumors, inflammatory bowel disease, and diverticulosis. Among the 2335 patients, 309 (13.2%) experienced POI, including 185 (59.9%) cases of secondary POI. Adjusted for well-known risk factors (male gender, need for stoma, right hemicolectomy, surgery duration, laparotomy, and conversion to open surgery), POI was associated with abdominal complications (OR = 4.55; 95% confidence interval (CI): 3.30–6.28), urinary retention (OR = 1.75; 95% CI: 1.05–2.92), pulmonary complications (OR = 4.55; 95% CI: 2.04–9.97), and cardiological complications (OR = 3.01; 95% CI: 1.15–8.02). Among the abdominal complications, AL and IAC were most strongly associated with POI (respectively, OR = 5.97; 95% CI: 3.74–8.88 and OR = 5.76; 95% CI: 3.56–10.62). Conclusion Within ERPs, POI should not be considered as usual. There is a significant link between POI and IAC. Since POI is an early-onset clinical sign, its occurrence should alert the physician and prompt them to consider performing CT scans in order to investigate other potential morbidities.
Oncologic Outcomes and Survival in pT0 Tumors After Radical Cystectomy in Patients Without Neoadjuvant Chemotherapy: Results from a Large Multicentre Collaborative Study
Purpose To assess the postsurgical survival of patients with urothelial carcinoma of the bladder with pT0 tumor at pathologic examination of cystectomy specimens. Methods A multi-institutional, retrospective database was analyzed with data from 4758 radical cystectomy (RC) patients who underwent RC without neoadjuvant chemotherapy and who were diagnosed with pT0 on the basis of the pathologic specimen. Survival curves were estimated. A multivariate Cox model was used to evaluate the association between prognosis factors and disease recurrence or survival. Results Overall, 258 patients (5.4%) were included in the study. The median age was 64 years. At last resection, 171 tumors were invasive (at least pT2), and 87 were not. Median follow-up was 51 months. At multivariate analysis, initial location of the tumor and absence of lymphadenectomy were associated with tumor recurrence ( P  = 0.03 and P  = 0.005, respectively) and specific mortality ( P  = 0.005 and 0.001, respectively). The main limitation of the study is its retrospective design, which is due to the rarity of this situation. Cancer-specific and recurrence-free survival rates were 89 and 85%, respectively, at 5 years and 82 and 80%, respectively, at 10 years. Conclusions Despite acceptable oncological outcomes, patients with a pT0 tumor at the time of RC are still at risk of recurrence and progression and should not be considered to be entirely cured. In this population, stringent follow-up according to current recommendations should be effective.