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The aim of this study was to develop a new diagnostic tool to predict lymph node metastasis (LNM) in patients with advanced epithelial ovarian cancer undergoing primary cytoreductive surgery. The FRANCOGYN group's multicenter retrospective ovarian cancer cohort furnished the patient population on which we developed a logistic regression model. The prediction model equation enabled us to create LNM risk groups with simple lymphadenectomy decision rules associated with a user-friendly free interactive web application called shinyLNM. 277 patients from the FRANCOGYN cohort were included; 115 with no LNM and 162 with LNM. Three variables were independently and significantly (p<0.05) associated with LNM in multivariate analysis: pelvic and/or para-aortic LNM on CT and/or PET/CT (p<0.00), initial PCI [greater than or equal to] 10 and/or diaphragmatic carcinosis (p = 0.02), and initial CA125 [greater than or equal to] 500 (p = 0.02). The ROC-AUC of this prediction model after leave-one-out cross-validation was 0.72. There was no difference between the predicted and the observed probabilities of LNM (p = 0.09). Specificity for the group at high risk of LNM was 83.5%, the LR+ was 2.73, and the observed probability of LNM was 79.3%; sensitivity for the group at low-risk of LNM was 92.0%, the LR- was 0.24, and the observed probability of LNM was 25.0%. This new tool may prove useful for improving surgical planning and provide useful information for patients.

Introduction The main objective of this retrospective study is to determine the efficacy of transcutaneous posterior tibial nerve stimulation (TPTNS) in older patients with overactive bladder (OAB) syndrome. The secondary objective is to look for predictive factors of efficacy of this treatment. Methods All patients aged over 65 years with OAB syndrome for which TPTNS was introduced between 2010 and 2016 in two neuro-urology centers were included. Age, gender, etiology of OAB, urinary symptoms and detrusor overactivity (DO) were retrospectively collected. The main outcome was efficacy of TPTNS (i.e., purchase of the device between 3 and 6 months). Results A total of 264 patients were included (mean age 74.1 ± 6.5 years; 63.3% of women), of whom 53% had neurogenic OAB. Urinary incontinence was reported by 83.7% of patients and DO was found on urodynamic studies in 154 patients. The overall efficacy of TPTNS was 45.1%. None of the tested factors were significantly predictive of efficacy, especially age (≥ 75 years, p  = 0.62), associated stress urinary incontinence ( p  = 0.69) and presence of DO ( p  = 0.60), whether neurogenic or not. Conclusion TPTNS is an effective treatment in older patients with OAB syndrome. No predictive factors of efficacy were found, especially age and DO. This treatment seems to be a good alternative to antimuscarinics against overactive bladder in older adults.

The rate of local recurrence (LR) of phyllodes tumor (PT) varies from 4 to 18%. Several histological risk factors of LR of PT are known. The aim of this study was to estimate the LR rate of PT according to PT grade and to evaluate histological risk factors of PT LR in our retrospective cohort. This was a two-center study, conducted from 1995 to 2019. All patients with PT diagnosed on surgical specimen were included. PT was diagnosed histologically according to the grade category defined by the 2012 World Health Organization classification as benign, borderline or malignant PT. Univariate analysis and then multivariate logistic regression analysis were performed to determine histological risk factors of LR of PT. A total of 224 patients with PT were included: 152 with benign, 49 with borderline and 23 with malignant PT. The median and standard deviation for the duration of follow-up was 136.60 ± 167.43 months, and 18 patients (8.04%) developed LR: 7 (4.61%), 7 and (14.29%) and 4 (17.39%) with benign, borderline and malignant PT, respectively. In univariate analysis, LR was statistically increased for histological size ≥45 mm (p=0.003), borderline/malignant TP (p=0.006) and dense stromal cellularity (p<0.001). In multivariate analysis, only histological size ≥45 mm and cellularity were statistically associated with LR (odds ratio=1.83, 95% confidence interval=1.06-9.83, p=0.04; and odds ratio=3.69, 95% confidence interval=1.11-12.28, p=0.03, respectively). Histological size ≥45 mm and dense stromal cellularity were demonstrated as histological risk factors of LR of PT. In our cohort, no association was found between LR and PT grade nor LR and surgical margins ≥10 mm.

Fibroepithelial lesions (FEL) of the breast include fibroadenomas and phyllodes tumors (PT). Their histologic characteristics on core needle biopsy can overlap, while their clinical management is different. The aim of this study was to develop and to validate a pre-operative score for the diagnosis of PT with surgical decision rules. We developed a pre-operative score for the diagnosis of PT by performing logistic regression on 217 FEL of the Rene Huguenin Hospital. This score and the surgical decision rules were validated on 87 FEL of the Lariboisiere Hospital. Three variables were independently and significantly associated with PT: age ≥40 years, mammography's tumor size ≥3 cm and PT diagnosed by CNB. The pre-operative score was based on these three criteria with values ranging from 0 to 10. Surgical decision rules were created: the low-risk group of PT (score≤2) had a sensitivity of 92.6% and a LR- of 0.2, the high-risk group (score>7) had a specificity of 93.5% and a LR+ of 4.4. In the validation sample, surgical decision rules were applied. These surgical decision rules may prove useful in deciding which FEL needs surgical resection.