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Purpose The recently introduced tethered DROP-IN gamma probe has revolutionized the way robotic radioguided surgery is performed, fully exploiting the nature of steerable robotic instruments. Given this success, the current first-in-human study investigates if the DROP-IN can also provide benefit in combination with steerable non-robotic instruments during conventional laparoscopic surgery, showing equivalence or even benefit over a traditional rigid gamma probe. Methods The evaluation was performed in ten patients during laparoscopic cervical ( n  = 4) and endometrial ( n  = 6) cancer sentinel lymph node (SLN) procedures. Surgical guidance was provided using the hybrid, or bi-modal, SLN tracer ICG- 99m Tc-nanocolloid. SLN detection was compared between the traditional rigid laparoscopic gamma probe, the combination of a DROP-IN gamma probe and a steerable laparoscopic instrument (LaproFlex), and fluorescence imaging. Results The gynecologists experienced an enlarged freedom of movement when using the DROP-IN + LaproFlex combination compared to the rigid laparoscopic probe, making it possible to better isolate the SLN signal from background signals. This did not translate into a change in the SLN find rate yet. In both cervical and endometrial cancer combined, the rigid probe and DROP-IN + LaproFlex combination provided an equivalent detection rate of 96%, while fluorescence provided 85%. Conclusion We have successfully demonstrated the in-human use of steerable DROP-IN radioguidance during laparoscopic cervical and endometrial cancer SLN procedures, expanding the utility beyond robotic procedures. Indicating an improved surgical experience, these findings encourage further investigation and consideration on a path towards routine clinical practice and improved patient outcome. Trial registration HCB/2021/0777 and NCT04492995; https://clinicaltrials.gov/study/NCT04492995

The main aim is to compare oncological outcomes and patterns of recurrence of patients with early-stage endometrioid endometrial cancer according to lymphovascular space invasion (LVSI) status. The secondary objective is to determine preoperative predictors of LVSI. We performed a multicenter retrospective cohort study. A total of 3546 women diagnosed with postoperative early-stage (FIGO I-II, 2009) endometrioid endometrial cancer were included. Co-primary endpoints were disease-free survival (DFS), overall survival (OS), and pattern of recurrence. Cox proportional hazard models were used for time-to-event analysis. Univariate and multivariate logistical regression models were employed. Positive LVSI was identified in 528 patients (14.6%) and was an independent prognostic factor for DFS (HR 1.8), OS (HR 2.1) and distant recurrences (HR 2.37). Distant recurrences were more frequent in patients with positive LVSI (78.2% vs. 61.3%, p < 0.01). Deep myometrial invasion (OR 3.04), high-grade tumors (OR 2.54), cervical stroma invasion (OR 2.01), and tumor diameter ≥ 2 cm (OR 2.03) were independent predictors of LVSI. In conclusion, in these patients, LVSI is an independent risk factor for shorter DFS and OS, and distant recurrence, but not for local recurrence. Deep myometrial invasion, cervical stroma invasion, high-grade tumors, and a tumor diameter ≥ 2 cm are independent predictors of LVSI.

Objectives Accurate assessment of disease extent is required to select the best primary treatment for advanced epithelial ovarian cancer patients. Estimation of tumour burden is challenging and it is usually performed by means of a surgical procedure. Imaging techniques and tumour markers can help to estimate tumour burden non-invasively. 2-[ 18 F]FDG PET/CT allows the evaluation of the whole-body disease. This study aimed to correlate HE4 and CA125 serum concentrations with tumour burden evaluated by volumetric 2-[ 18 F]FDG PET/CT parameters in advanced high-grade epithelial ovarian cancer. Methods We included 66 patients who underwent 2-[ 18 F]FDG PET/CT and serum tumour markers determination before primary treatment. Volumes of interest were delimited in every pathological uptake. Whole-body metabolic tumour volume (wb_MTV) and total lesion glycolysis (wb_TLG) were calculated summing up every VOI’s MTV value. SUVmax thresholds were set at 40% (MTV40 and TLG40) and 50% (MTV50 and TLG50). In addition, four VOI subgroups were defined: peritoneal carcinomatosis, retroperitoneal nodes, supradiaphragmatic nodes, and distant metastases. MTV and TLG were calculated for each group by adding up the corresponding MTV values. TLG was calculated likewise. Results wb_MTV and wb_TLG were found to be significantly correlated with serum CA125 and HE4 concentrations. The strongest correlation was observed between HE4 and wb_MTV40 ( r  = 0.62, p  < 0.001). Pearson’s correlation coefficients between peritoneal carcinomatosis MTV40 and tumour markers were 0.61 ( p  < 0.0001) and 0.29 ( p  = 0.02) for HE4 and CA125 respectively. None of these tumour markers showed a positive correlation with tumour load outside the abdominal cavity assessed by volumetric parameters. Conclusion HE4 performs better than CA125 to predict metabolic tumour burden in high-grade epithelial ovarian cancer before primary treatment. 2-[18F]FDG PET/CT volumetric parameters arise as feasible tools for the objective assessment of tumour load and its anatomical distribution. These results support the usefulness of HE4 and PET/CT to improve the stratification of these patients in clinical practice. Key Points • In patients with high-grade advanced ovarian epithelial carcinoma, both CA125 and HE4 correlate to whole-body tumour burden assessed by PET/CT before primary treatment. • HE4 estimates peritoneal disease much better than CA125. • PET/CT volumetric parameters arise as feasible tools for the objective assessment of tumour load and its anatomical distribution.

PurposeTo assess the impact of laparoscopic extraperitoneal paraaortic staging in therapeutic planning and prognosis of patients with locally advanced cervical cancer (LACC) as compared with imaging staging.MethodsRetrospective multicenter study of stage IB2 and IIA2 to IVA (FIGO 2009) LACC patients who were candidates for primary chemoradiotherapy. The study (surgical) group included 634 patients undergoing laparoscopic/robotic extraperitoneal paraaortic staging treated with extended-field radiotherapy (EFRT) if lymph node involvement was confirmed. The control (imaging) group included 288 patients treated with EFRT when lymph node involvement was suspected on positron emission tomography-computed tomography scans and/or magnetic resonance imaging.ResultsIn the study group, a median of 13 (range 9–17) lymph nodes were removed, with a rate of positive paraaortic nodes of 18%, with metastatic size ≤ 5 mm in 20.4% of cases. Paraaortic EFRT was administered to 18% of patients in the study group and in 58% of controls. In 34% of patients from the surgical group, EFRT was modified according to surgical findings with respect to imaging staging. The median follow-up in the study and control groups was 3.7 and 4.8 years, respectively. In both groups, the overall survival and cancer-specific disease-free survival were similar. The time interval between diagnosis and starting EFRT was 18 days longer in the study group, without differences in overall survival as compared with controls (hazard ratio 1.00, 95% confidence interval 0.998–1.005; p = 0.307).ConclusionsLaparoscopic extraperitoneal paraaortic staging in LACC patients is safe and modified therapeutic planning, allowing better selection of candidates for EFRT.

Background: Assessment of the peritoneal cancer burden is crucial for determining the optimal treatment in advanced ovarian cancer (AOC). Effective non-invasive methods to predict tumour load remain limited. This study aimed to assess the applicability of 2-[18F]FDG PET/CT volumetric parameters, metabolic tumour volume (MTV), and total lesion glycolysis (TLG) for predicting the surgical peritoneal cancer index (PCI) in AOC before primary treatment. Methods: Patients with high-grade serous or undifferentiated AOC who underwent surgical PCI evaluation and 2-[18F]FDG PET/CT between 01/2013 and 12/2018 were included. MTV and TLG were calculated using thresholds of 40% and 50% (MTV40, MTV50, TLG40, and TLG50). Correlations between the peritoneal carcinomatosis MTV (car_MTV) and TLG (car_TLG) were analysed. The capacity of volumetric parameters to estimate PCIs above or below 14 and 20 was assessed for the whole abdominal cavity and in per-quadrant analysis, specifically for upper-abdomen areas 1, 2, and 3 (MTV40_1, 2, 3 and TLG40_1, 2, 3). Results: MTV40, MTV50, TLG40, and TLG50 significantly correlated with the PCI in the final study population (n = 45). MTV40 showed a Pearson coefficient of 0.41 (p = 0.003). MTV3_40 (AUC 0.79) and TLG3_40 (AUC 0.81) presented the highest AUCs for predicting a PCI above or below 14. The volumetric parameters allowed the prediction of a PCI greater or less than 20, with an AUC of 0.77 for MTV40_1 and 0.78 for TLG40_1. Conclusions: 2-[18F]FDG PET/CT MTV and TLG correlate significantly with the surgical PCI when assessing peritoneal carcinomatosis or quadrant-specific disease. This approach offers a reliable non-invasive method for evaluating tumour burden in AOC.

Background: Recent evidence indicates that some minimally invasive surgery approaches, such as laparoscopic and robotic-assisted radical hysterectomy, offer lower survival rates to patients with early-stage cervical cancer than open radical hysterectomy. We evaluated the oncological results of a different minimally invasive surgery approach, that of laparoscopically assisted radical vaginal hysterectomy (LARVH) in this setting. Methods: From January 2001 to December 2018, patients with early-stage cervical cancer were treated by LARVH. Colpotomy and initial closure of the vagina were performed following the Schauta operation, avoiding manipulation of the tumor. Laparoscopic sentinel lymph node (SLN) biopsy was performed in all cases. Women treated between 2001 and 2011 also underwent pelvic lymphadenectomy. Results: There were 115 patients included. Intraoperative complications occurred in nine patients (7.8%). After a median follow-up of 87.8 months (range 1–216), seven women (6%) presented recurrence. Four women died (mortality rate 3.4%). The 3- and 4.5-year disease-free survival rates were 96.7% and 93.5%, respectively, and the overall survival was 97.8% and 94.8%, respectively. Conclusion: LARVH offers excellent disease-free and overall survival in women with early-stage cervical cancer and can be considered as an adequate minimally invasive surgery alternative to open radical hysterectomy.

Gynecologic cancers, comprising 14.4% of newly diagnosed cancer cases in women globally, are substantial causes of both mortality and morbidity, with a profound impact on the quality of life (QoL) of survivors. Over the past few decades, advancements in interdisciplinary and interprofessional care have contributed to an increase in the average life expectancy of gynecological cancer patients. However, the disease and its treatments have a profound impact on patients, leading to physical changes and psychological consequences, including psychosocial and psychosexual effects, which negatively affect their QoL.The primary objective of management strategies is to minimize harm while improving survival rates and enhancing QoL during the survivorship stage. QoL measures play a crucial role in enhancing our comprehension of how cancer and its treatments affect individuals. Consequently, various measurement instruments, such as the EORTC QLQ 30, PROMIS-29, FACT-G, and QOL-CS, have been developed to assess health-related quality of life (HRQoL). Pre- and post-treatment HRQoL measurements have been shown to be predictive factors for post-operative complications and prognostic factors for overall survival and progression-free survival in gynecological oncology patients. Patient-reported outcomes related to HRQoL are essential tools for measuring patient outcomes and enabling patient-centered clinical decision-making.This article focuses on HRQoL, providing a historical context, summarizing measurement instruments, and discussing the current understanding of the impact of gynecological cancers on HRQoL.

We have read with great interest the article by Nasioudis et al.1 The authors should be congratulated on their study evaluating the oncological outcome of para-aortic staging in locally advanced cervical cancer. However, we have some concerns regarding the interpretation of this study. We also feel it necessary to mitigate the assertive title of the corresponding editorial by René Pareja (‘Surgical staging for locally-advanced cervical cancer: the answer remains “NO”’).2

BackgroundA systematic pelvic and para-aortic lymphadenectomy remains the surgical standard management of early-stage epithelial ovarian cancer. Sentinel lymph node mapping is being investigated as an alternative procedure; however, data reporting sentinel lymph node performance are heterogeneous and limited.ObjectiveThis study aimed to evaluate the detection rate and diagnostic accuracy of sentinel lymph node mapping in patients with early-stage ovarian cancer.MethodsA systematic search was conducted in Medline (through PubMed), Embase, Scopus, and the Cochrane Library. We included patients with clinical stage I–II ovarian cancer undergoing a sentinel lymph node biopsy and a pelvic and para-aortic lymphadenectomy as a reference standard. We conducted a meta-analysis for the detection rates and measures of diagnostic accuracy and assessed the risk of bias using the Quality Assessment of Diagnostic Accuracy Studies 2 tool. The study was registered in the International Prospective Register of Systematic Reviews (PROSPERO) with identifying number CRD42022351497.ResultsAfter duplicate removal, we identified 540 studies, 18 were assessed for eligibility, and nine studies including 113 patients were analyzed. The pooled detection rates were 93.3% per patient (95% CI 77.8% to 100%; I2=74.3%, p<0.0001), and the sentinel lymph node technique correctly identified 11 of 12 patients with lymph node metastases, with a negative predictive value per patient of 100% (95% CI 97.6% to 100%; I2=0%). The combination of indocyanine green and 99mTc-albumin nanocolloid had the best detection rate (100% (95% CI 94% to 100%; I2=0%)) when injected into the utero-ovarian and infundibulo-pelvic ligaments.ConclusionSentinel lymph node biopsy in early-stage ovarian cancer showed a high detection rate and negative predictive value. The utero-ovarian and infundibulo-pelvic injection using the indocyanine green and technetium-99 combination could increase sentinel lymph node detection rates. However, given the limited quality of evidence and the small number of reports, results from ongoing trials are awaited before its implementation in routine clinical practice.

ObjectivePrehabilitation, defined as the preparatory intervention to increase patient preparedness in the lead-up to surgery, has shown a decrease in post-operative complications in various types of surgery. However, there is limited evidence in advanced ovarian cancer surgery. This study aimed to evaluate the benefits of multimodal prehabilitation in advanced ovarian cancer patients in terms of improving physical functioning, body composition, and psychological well-being during the pre-operative period.MethodsThis single-center, ambispective study included patients with advanced ovarian cancer eligible for primary or interval cytoreductive surgery. Participants attended a multimodal prehabilitation program comprising medical optimization, supervised exercise training, nutritional counseling and supplementation, and psychological support. Functional capacity, nutritional status, and psychological well-being were assessed before the start of the program and before surgery.Results62 patients were referred for the multimodal prehabilitation program from July 2019 to May 2023. Median adherence to the training program reached 75% (IQR 58–87%). 35 patients (59%) were evaluated pre-operatively. Patients attended a median of 8 (IQR 6–12) supervised exercise training sessions with no differences between those who underwent primary or interval cytoreductive surgery (p=0.80). A significant improvement was observed in functional capacity according to the 6 min walk test (mean 33.1 m, 95% CI 10.5 to 55.5) as well as in the 30 s sit-to-stand test (+3.3 repetitions, 95% CI 1.8 to 4.8), with both being above the minimal clinically important difference of 14 m and two repetitions, respectively. Patients also reported a significant decrease in depression, anxiety, and total scores of the Hospital Anxiety and Depression Scale.ConclusionsMultimodal prehabilitation in patients with advanced ovarian cancer undergoing cytoreductive surgery improves pre-operative physical functioning and decreases emotional distress. Further controlled studies with a larger sample size are warranted to corroborate improvement in functional capacity, body composition, and psychological well-being through prehabilitation programs.