Publications by authors named "Querleu D"

Introduction: There is a demand for intraoperative diagnostic support and image guidance in oncological surgery. Novel techniques can provide images similar to histopathological slides within a few minutes. Optical coherence tomography (OCT) and full-field OCT (FF-OCT) provide images with resolution greater than a hundred micrometers without the need for exogenous contrast agents or specimen staining.

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Introduction: Assessment of retroperitoneal nodes is an important part of the surgical staging of gynecologic cancers. Although pelvic and paraaortic lymphadenectomy have been widely described by different authors, there is little consensus on the description of the different surgical steps for each procedure. An Intergroup Committee on Onco-Gyn Minimally Invasive Surgery has been established with members of the European Society for Gynecological Endoscopy (ESGE), European Society of Gynaecological Oncology (ESGO) and the Society of European Robotic Gynaecological Surgery (SERGS).

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Aim: The aim of this study was to assess whether the use of sentinel lymph node (SLN) in addition to lymphadenectomy was associated with survival benefit in patients with early-stage cervical cancer.

Methods: International, multicenter, retrospective study.

Inclusion Criteria: cervical cancer treated between 01/2007 and 12/2016 by surgery only; squamous cell carcinoma, adenocarcinoma, adenosquamous carcinoma, FIGO 2009 stage IB1-IIA2, negative surgical margins, and laparotomy approach.

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Article Synopsis
  • - The European Society of Gynaecological Oncology, alongside other societies, created evidence-based guidelines for fertility-sparing strategies in patients with cervical and ovarian cancers, as well as borderline ovarian tumors.
  • - These guidelines were developed through a thorough literature review and involved a diverse group of 25 experts in multiple medical fields, ensuring a comprehensive approach.
  • - Prior to release, the guidelines were vetted by 121 independent cancer care professionals and patient representatives, addressing key aspects of initial management, fertility optimization, and future pregnancy desires.
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  • The study examines the prevalence of peritoneal metastasis in patients with locally advanced cervical cancer (LACC) and how it affects treatment and prognosis.
  • It found that 13.2% of the 251 patients had peritoneal metastasis, significantly impacting treatment plans for many of them.
  • The research also revealed that standard imaging techniques like PET/CT and MRI have low sensitivity in detecting peritoneal disease, emphasizing the need for routine diagnostic laparoscopy in high-risk patients.
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After the publication of the Laparoscopic Approach to Cervical Cancer (LACC) trial, open surgery has become the standard approach for radical hysterectomy in early stage cervical cancer. Recent studies assessed the role of a non-radical approach in low risk cervical cancer and showed no survival difference compared with radical hysterectomy. However, there is a gap in knowledge regarding the oncologic outcomes of minimally invasive simple hysterectomy in low risk cervical cancer.

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Background: The effect of primary cytoreductive surgery vs interval cytoreductive surgery on International Federation of Gynecology and Obstetrics stage IV ovarian cancer outcomes remains uncertain and may vary depending on the stage and the location of extraperitoneal metastasis. Emulating target trials through causal assessment, combined with propensity score adjustment, has become a leading method for evaluating interventions using observational data.

Objective: This study aimed to assess the effect of primary vs interval cytoreductive surgery on progression-free and overall survival in patients with International Federation of Gynecology and Obstetrics stage IV ovarian cancer using target trial emulation.

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Preservation of fertility without compromising oncological outcomes is a major objective in young patients at the time of cancer treatment (Azaïs et al., 2018, Bizzarri et al., 2022).

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Objective: To evaluate complication rate and functional outcomes of nerve-sparing parametrectomy for deep endometriosis in relation to the extension of the surgical procedure, based on recognizable anatomical landmarks.

Methods: This was a prospective single-center study including all patients undergoing parametrectomy for deep endometriosis from September 2020 to June 2023 at our tertiary center. Dorsolateral parametrectomies were divided into parametrectomies medial to the presacral fascia and cranial to the medial rectal artery (superficial parametrectomy), and parametrectomies in which one of the two landmarks was overcome during the surgical procedure, leading to the excision of tissue lateral to the presacral fascia (deep parametrectomy type 1, or DP1) or caudal to the medial rectal artery (DP2).

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Introduction: Fertility-sparing treatments are increasingly used in patients with early-stage cervical cancer. The residual shortened cervix might increase the risk of preterm birth. When a vaginal cerclage is not technically feasible, a laparoscopic transabdominal cerclage (LAC) could be offered before or after conception.

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Background: More than two decades ago, the advent of robotic laparoscopic surgery marked a significant milestone, featuring the introduction of the AESOP robotic endoscope control system and the ZEUS robotic surgery system. The latter, equipped with distinct arms for the laparoscope and surgical instruments, was designed to accommodate remote connections, enabling the practice of remote telesurgery as early as 2001. Subsequent technological progress has given rise to a range of options in today's market, encompassing multi-port and single-port systems, both rigid and flexible, across various price points, with further growth anticipated.

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Background: PIPAC is a recent approach for intraperitoneal chemotherapy with promising results for patients with peritoneal carcinomatosis. A systematic review was conducted to assess current evidence on the efficacy and outcomes of PIPAC in patients affected by ovarian cancer.

Methods: The study adhered to the PRISMA guidelines.

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Introduction: Vaginal approaches have become routine in the field of gynecologic surgery, whereas in general surgery vaginal wall transection is an infrequent practice typically reserved for extensive tumor resections. Approximately two decades ago, natural orifice transluminal endoscopic surgery (NOTES) revolutionized conventional boundaries by accessing the peritoneal cavity transorally, transrectally, or transvaginally, enabling general surgery without visible scars. Although transvaginal approaches have been successfully used for various abdominal procedures by general surgeons, a gap remains in comprehensive training to fully exploit the potential of this route.

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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.

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Objective: The study aimed to characterize intra-and postoperative complications according to a standardized anatomo-surgical classification for ovarian cancer metastases in the liver area.

Methods: Data from all patients with advanced ovarian cancer undergoing primary or secondary surgery with perihepatic liver involvement (May-2016 to May-2022), were retrospectively retrieved and classified according to a standardized anatomo-surgical classification, and clustered into four Classes: Class I "Peritoneal", Class II "Hepatoceliac-lymph-nodes", Class III "Parenchymal" and Class IV Mixed (≥ 2 classes).

Results: Data from 615 patients were collected.

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Article Synopsis
  • This study looked at whether being obese (having a BMI over 30) affects how well women with certain cancers (like cervical, ovarian, and endometrial) survive compared to those who are not obese.
  • Researchers analyzed data from 21 different studies with over 14,000 patients.
  • The results showed no clear survival benefits for obese women with these cancers and even found that obese women with endometrial cancer had a lower survival rate by 44%.
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Introduction: Ultrasound has been nicknamed "the surgeon's stethoscope". The advantages of laparoscopic ultrasound beyond a substitute for the sense of touch are considerable, especially for robotic surgery. Being able to see through parenchyma and into vascular structures enables to avoid unnecessary dissection by providing a thorough assessment at every stage without the need for contrast media or ionising radiation.

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Indocyanine green (ICG), a well-known molecule employed in medicine for over five decades, has emerged as a versatile dye widely embraced across various surgical disciplines. In gynecologic oncology, its prevalent use revolves around the detection of sentinel lymph nodes. However, the true potential of ICG extends beyond this singular application, owing to its pragmatic utility, cost-effectiveness, and safety profile.

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Introduction: Sentinel lymph node (SLN) biopsy is part of surgical treatment of apparent early-stage cervical cancer. SLN is routinely analyzed by ultrastaging and immunohistochemistry. The aim of this study was to assess the survival of patients undergoing SLN analyzed by one-step nucleic acid amplification (OSNA) compared with ultrastaging.

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Objective: We aimed to assess disease-free survival (DFS), overall survival (OS) and treatment-related toxicity of two therapeutic strategies for treating bulky lymph nodes on imaging in patients with locally advanced cervical cancer (LACC): radiotherapy boost versus surgical debulking followed by radiotherapy.

Methods: We performed a systematic review of studies published up to October 2023. We selected studies including patients with LACC treated by external beam radiotherapy (EBRT) boost or lymph node debulking followed by EBRT (with or without boost).

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Article Synopsis
  • The study aimed to create a consensus on the surgical technique for sentinel lymph node dissection in cervical cancer by surveying expert gynecological oncology surgeons.
  • A two-step modified Delphi method was employed, involving initial surveys and follow-up interviews, with a 70% agreement threshold for consensus.
  • Findings indicated that experts reached consensus on 15 recommended practices, including the use of indocyanine green as a tracer and specific injection techniques, while recommending against certain procedures such as injecting directly into tumors.
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Background: Nearly 65% of patients with endometrial cancer who undergo primary hysterectomy have concurrent obesity. Retrospective data show advantages in using robotic surgery in these patients compared with conventional laparoscopy, namely lower conversion rate, increased rate of same-day discharge, and reduced blood loss. Nevertheless, to date no prospective randomized controlled trials have compared laparoscopic surgery versus robotic-assisted surgery in morbidly obese patients.

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