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48 result(s) for "Lecointre, Lise"
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First external validity study of the Fagotti score in ovarian cancer
Epithelial ovarian cancer is mostly discovered at the stage of peritoneal carcinosis. Complete cytoreductive surgery improves overall survival. The Fagotti score is a predictive score of resectability based on peritoneal laparoscopic exploratory. Our aim was to study the inter-observer concordance in an external validation of the Fagotti score. An observational, prospective, multicenter study was conducted using the Francogyn research network. The primary outcome was inter-observer concordance of the Fagotti score. 15 patients in which an ovarian mass was discovered were included. For each patient, the first exploratory laparoscopy before any treatment/chemotherapy was recorded. This bank of 15 videos was subject to blind review accompanied by a Fagotti score rating by 11 gynecological surgeons specializing in oncology. A total of 165 blind reviews were performed. Inter-observer concordance was very good for the Fagotti score with an intraclass correlation coefficient (ICC) of 0.83 [95% CI 0.71; 0.93]. Inter-observer concordance for the adjusted Fagotti score, which accounts for unexplorable areas with extensive carcinomatosis, resulted in an ICC of 0.64 [95% CI 0.46; 0.82]. According to the reviewers, the three least explorable parameters were mesentery involvement, stomach infiltration and liver damage. The ICC of the explorable Fagotti score, i.e. score with deletion of the parameters most often unexplored by laparoscopy, was 0.86 [0.75–0.94]. This study confirms the reproducibility of the Fagotti score during first assessment laparoscopies in cases of advanced ovarian cancer. The explorable Fagotti score has an equivalent or better inter-observer concordance than the Fagotti score.
Contribution of contrast-enhanced ultrasound for diagnosis of adnexal torsion (COVARIAN): protocol for a randomised controlled trial
IntroductionAdnexal torsion is a gynaecological emergency in which prompt diagnosis and management are critical to preserving ovarian function. However, the clinical presentation is often non-specific, and diagnosis primarily relies on pelvic ultrasound, a modality with limited sensitivity that can lead to misdiagnosis and unnecessary surgery. Contrast-enhanced ultrasound (CEUS) has emerged as a promising imaging technique that may enhance diagnostic accuracy by better characterising adnexal vascularisation.The aim of this study is to assess whether the addition of CEUS to standard diagnostic procedures can reduce the rate of unnecessary emergency surgeries. Specifically, we compare two diagnostic strategies in cases of high clinical suspicion of adnexal torsion: the current standard approach versus an experimental strategy incorporating CEUS. The primary outcome is the rate of inappropriate surgical interventions, defined as emergency surgery performed within 6 hours without intraoperative confirmation of torsion.Methods and analysisThis is a prospective, open-label, multicentre, randomised (1:1), controlled, superiority trial. A total of 256 women presenting with a high clinical suspicion of adnexal torsion will be enrolled over a period of 36 months. Participants will be randomly assigned to either the standard diagnostic strategy or an experimental strategy that includes CEUS. The primary endpoint is the proportion of emergency surgical procedures (performed within 6 hours of hospital admission) in which adnexal torsion is not confirmed.Ethics and disseminationThe study was approved by the French Ethics Committee, the CPP (Comité de Protection des Personnes) on 28 October 2024. The results of this study will be published in peer-reviewed journals and presented at relevant national and international conferences. The ethical approval number from the CPP is 6115.Registration numberNCT06677554; 2024-511720-13-00.
Microscopic assessment of lymph node status in gynecological malignancies using full-field optical coherence tomography
Accurate assessment of lymph node (LN) status is critical in cancer management, particularly in gynecological malignancies. However, preoperative identification of pathological LNs remains a significant challenge with current imaging modalities. Full-field optical coherence tomography (FF-OCT) is a non-invasive microscopic technique based on tissue reflectivity and light interference, providing real-time, high-resolution images in < 10 min, with no tissue preparation or alteration required. Our aim was to evaluate the diagnostic accuracy of FF-OCT in identifying LN metastatic foci measuring ≥ 0.2 mm in gynecological cancers, in an intraoperative setting. Comparative analysis of 80 fresh ex vivo LNs with FF-OCT versus gold standard pathology showed high accuracy (97.6%), sensitivity (92.3%), and specificity (98.2%) of FF-OCT. These results support the suitability of FF-OCT integration into clinical practice for real-time assessment of LN status, thereby improving intraoperative decision making while enabling subsequent routine histological analysis.
From Image-Guided Surgery to Computer-Assisted Real-Time Diagnosis with Hyperspectral and Multispectral Imaging: A Systematic Review in Gynecologic Oncology
Background: There is a need for intraoperative image guidance in gynecologic oncologic surgery to provide accurate identification of malignant tissue and ensure negative resection margins. Emerging imaging technologies can complement standard histopathology and reshape intraoperative decision-making. Spectral imaging can extract information on tissue composition and physiological status in real time, without the need for tissue contact, contrast agents, staining, or freezing. This systematic review synthesizes its current clinical applications in gynecologic oncology, decision support utility, and diagnostic performance with data processing frameworks for tissue classification. Materials and Methods: This systematic review (PROSPERO: CRD420251032899) adhered to PRISMA guidelines. PubMed, Google Scholar, Embase, ClinicalTrials.gov, and Scopus databases were searched until September 2025. Manuscripts reporting data on spectral imaging in gynecologic oncology were included in the analysis. Results: Twenty-nine studies and two clinical trials met the inclusion criteria. Most of them focused on cervical neoplasia (n = 17, 58.6%) and ovarian cancer (n = 7, 24.1%) detection, followed by assessment of the fallopian tubes (n = 2, 6.9%), endometrium (n = 1, 3.4%), and vulvar skin (n = 2, 6.9%). Using final pathology as the gold standard, overall specificity ranged from 30 to 99%, and overall sensitivity from 75 to 100%, with particularly high sensitivity for cervical lesions (79–100%) and ovarian cancer (81–100%). Among the included studies, thirteen (44.8%) used data interpretation algorithms, of which eleven (84.6%) applied machine learning, one (7.7%) deep learning, and one (7.7%) combined both. Conclusions: Spectral imaging, supported by computational methods, has shown promising results in the diagnostic evaluation of gynecologic disease by providing functional and molecular information beyond the capacities of standard visual assessment.
Augmented reality in gynecologic laparoscopic surgery: development, evaluation of accuracy and clinical relevance of a device useful to identify ureters during surgery
ObjectiveTo develop and evaluate a non-invasive surgical assistance based on augmented reality (AR) in the detection of ureters on animal model.MethodAfter an experimental prototyping step on two pigs to determine the optimal conditions for visualization of the ureter in AR, three pigs were operated three times at 1 week intervals. The intervention consisted of an identification of the ureter, with and without the assistance of AR. At the end of the intervention, a clip was placed on the AR-proposed ureter to evaluate its accuracy. By doing a cone beam computed tomography, we measured the distance between the contrasted ureter and the clips in the acquired volume. Thirteen videos were recorded, allowing subsequent evaluation of the clinical relevance of the device.ResultsThe feasibility of the technique has been confirmed. The margin of error was 1.77 mm (± 1.56 mm) for ureter localization accuracy. In order to evaluate the perceived relevance and accuracy in the detection of AR-assisted ureter, 58 gynecological surgeons were shown the videos then questioned. Of the 754 responses obtained (13 videos × 58 surgeons), the ureter was identified in direct vision in 31.2% of cases versus 81.7% in AR (p value 3.62 × 10−7). When looking at pigs that had already had one or two operations, the ureter was identified in only 16% of cases with direct vision compared to 76.1% with AR (p-value 5.48 × 10−19). In addition, 67% of surgeons felt that AR allowed them to better identify the ureters and 61% that AR reconstruction was accurate.ConclusionThis first AR device showed a satisfactory precision in the detection of ureters with a favorable opinion of surgeons. This surgical assistance system could be helpful in the performance of difficult procedures, for example in the case of patients, which have undergone multiple surgeries in the past.
Status of Surgical Management of Borderline Ovarian Tumors in France: are Recommendations Being Followed? Multicentric French Study by the FRANCOGYN Group
BackgroundBorderline ovarian tumors (BOTs) are tumors with a favorable prognosis but whose management by consensus is essential to limit the risk of invasive recurrence. This study aimed to conduct an inventory of surgical practices for BOT in France and to evaluate the conformity of the treatment according to the current French guidelines.MethodsThis retrospective, multicenter cohort study included nine referral centers of France between January 2001 and December 2018. It analyzed all patients with serous and mucinous BOT who had undergone surgery. A peritoneal staging in accordance with the recommendations was defined by performance of a peritoneal cytology, an omentectomy, and at least one peritoneal biopsy.ResultsThe study included 332 patients. A laparoscopy was performed in 79.5% of the cases. Treatment was conservative in 31.9% of the cases. The recurrence rate was significantly increased after conservative treatment (17.3% vs 3.1%; p < 0.001). Peritoneal cytology was performed for 95.5%, omentectomy for 83.1%, and at least one biopsy for 82.2% of the patients. The overall recurrence rate was 7.8%, and the recurrence was invasive in 1.2% of the cases. No link was found between the recurrence rate and the conformity of peritoneal staging. The overall rate of staging noncompliance was 22.9%.ConclusionThe current standards for BOT management seem to be well applied.
Impact of the Covid‐19 pandemic on gestational weight gain: A French cohort study
Introduction To investigate whether the quarantine periods due to the COVID‐19 pandemic were associated with excessive gestational weight gain. Methods This single‐centre retrospective observational French cohort study studied 23 774 pregnant women from 2017 to 2020 who had an obstetrical follow‐up consultation with a weight measurement in Strasbourg University Hospitals. We defined four time periods according to the two quarantine periods in France: (1) prequarantine, (2) first quarantine (all‐day curfew); (3) between quarantines, and (4) second quarantine (all‐day curfew). Inferential analyses and models were conducted using Bayesian methods. Results We developed three Bayesian models to explore the impact of quarantines on GWG. Mean GWG was 8.3 kg (standard deviation 5.0 kg) for a mean gestational age at consultation of 28.5 weeks. Compared to the same calendar periods from 2017 to 2019, the probabilities of a clinically significant increase in GWG (≥1 kg) during the different quarantine periods were extremely low (<0.001). Mean GWG was stable during the first quarantine (−0.13 kg; 95% confidence interval (CI) −0.30, 0.03) while it increased between quarantines (+0.20 kg; 95% CI 0.07, 0.35) and during the second quarantine (0.30 kg; 95% CI 0.12, 0.52). Conclusion This study showed that COVID‐19 quarantine periods were not associated with a clinically significant excessive GWG, even if during the period between quarantines and during the second quarantine there was a slight increase in GWG. Pregnant women can therefore be reassured concerning this problem.
Surgical traps in laparoscopic sacrocolpopexy for vaginal vault prolapse
ObjectiveTo describe the possible difficulties encountered in the event of laparoscopic sacrocolpopexy for vaginal vault prolapse and corresponding avoidance strategies.MethodsVideo recordings of different laparoscopic sacrocolpopexies for vaginal vault prolapse showing various situations and difficulties. University Teaching Hospital of Strasbourg.ResultsAlthough laparoscopic sacrocolpopexy for vaginal vault prolapse is becoming more common, achieving a good outcome remains challenging, especially with the vesicovaginal dissection. Bladder injuries are not rare and occur in about 2 to 6% of cases. Vaginal perforation is less common, but remains a risk. This video illustrates possible difficulties encountered and presents various strategies to avoid them. Several tips on exposing structures and following anatomical landmarks are described.ConclusionKnowing how to avoid these surgical traps will help trainee urogynecologic surgeons to perform laparoscopic sacrocolpopexy for vaginal vault prolapse.
Fertility-sparing uterine displacement for pelvic malignancies: surgical options and radiotherapy dosimetry on a human cadaver
Background Radio(chemo)therapy is often required in pelvic malignancies (cancer of the anus, rectum, cervix). Direct irradiation adversely affects ovarian and endometrial function, compromising the fertility of women. While ovarian transposition is an established method to move the ovaries away from the radiation field, surgical procedures to displace the uterus are investigational. This study demonstrates the surgical options for uterine displacement in relation to the radiation dose received.  Methods The uterine displacement techniques were carried out sequentially in a human female cadaver to demonstrate each procedure step by step and assess the uterine positions with dosimetric CT scans in a hybrid operating room. Two treatment plans (anal and rectal cancer) were simulated on each of the four dosimetric scans (1. anatomical position, 2. uterine suspension of the round ligaments to the abdominal wall 3. ventrofixation of the uterine fundus at the umbilical level, 4. uterine transposition). Treatments were planned on Eclipse® System (Varian Medical Systems®,USA) using Volumetric Modulated Arc Therapy. Data about maximum (Dmax) and mean (Dmean) radiation dose received and the volume receiving 14 Gy (V14Gy) were collected. Results All procedures were completed without technical complications. In the rectal cancer simulation with delivery of 50 Gy to the tumor, Dmax, Dmean and V14Gy to the uterus were respectively 52,8 Gy, 34,3 Gy and 30,5cc (1), 31,8 Gy, 20,2 Gy and 22.0cc (2), 24,4 Gy, 6,8 Gy and 5,5cc (3), 1,8 Gy, 0,6 Gy and 0,0cc (4). For anal cancer, delivering 64 Gy to the tumor respectively 46,7 Gy, 34,8 Gy and 31,3cc (1), 34,3 Gy, 20,0 Gy and 21,5cc (2), 21,8 Gy, 5,9 Gy and 2,6cc (3), 1,4 Gy, 0,7 Gy and 0,0cc (4). Conclusions The feasibility of several uterine displacement procedures was safely demonstrated. Increasing distance to the radiation field requires more complex surgical interventions to minimize radiation exposure. Surgical strategy needs to be tailored to the multidisciplinary treatment plan, and uterine transposition is the most technically complex with the least dose received.