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Ovarian cancer (OC) represents one of the most lethal cancers in women. The aim of surgical treatment is complete cytoreduction in advanced stages and a surgical staging in early stages. Although the guidelines still suggest laparotomy as the standard approach, in recent years minimally invasive surgery (MIS) has become increasingly popular in the treatment of OC, especially in early stages, because the 5-year relative survival exceeds 90% and the patients' quality of life cannot be overshadowed. However, MIS has been demonstrated to have a role even in advanced stages, in the prediction of optimal cytoreduction, identification patients who may benefit from neoadjuvant chemotherapy, and, more recently, in the interval debulking surgery, as in selected cases of secondary cytoreduction for recurrent ovarian cancer. The aim of this review is to describe the MIS (especially robotic surgery), with its advantages and pitfalls, in the treatment of OC., Competing Interests: Declaration of competing interest None., (Copyright © 2023 The Authors. Published by Elsevier Ltd.. All rights reserved.)

(1) Background: Highly differentiated follicular carcinoma of ovarian origin (HDFCO) is an extremely uncommon neoplasm, associated with struma ovarii. There are scarce cases reported in the literature and, subsequently, no reliable conclusions on its pathophysiology, treatment, and prognosis can be drawn. The goal of this study is to enrich the literature on the topic by adding our own experience with a case, and simultaneously accumulate all cases published up to date. (2) Methods: The present review was performed in accordance with the guidelines for systematic reviews and meta-analyses (PRISMA). PubMed (1966-2022), Scopus (2004-2022), and Clinicaltrials.gov databases were screened for relevant articles published up to July 2022. (3) Results: Twenty patients with HDFCO were identified. The included patients were aged 47.15 years (range 24-74). The predominant origin was ovarian (60%) and extraperitoneal spread was confirmed in 15% of the cases. Surgical treatment varied from conservative to radical (35.3% vs. 41.2%, respectively) and the administration of supplementary therapy and thyroidectomy was not universal. Combined thyroidectomy/radioactive iodine therapy was applied in just 62.5% of the reported cases. There was one patient who demonstrated disease recurrence and lives with the disease. No disease related morbidity was reported. (4) Conclusions: HDFCO represents a low-grade malignant tumor, whose rarity does not allow for reliable conclusions. Standard treatment including complete surgical excision and supplementary treatment seems to offer a favorable prognosis in selected cases.

Introduction: Splenectomy-induced thrombocytosis and leukocytosis may obscure the early diagnosis of post-operative infection or sepsis. In trauma patients after splenectomy, a platelet-to-white blood cell ratio of <20 has been shown to reliably differentiate post-operative sepsis from transient physiological responses., Objective: To determine whether the platelet-to-white blood cell ratio can be applied to differentiate between reactive post-operative changes and latent infection., Methods: All consecutive patients with ovarian cancer who underwent splenectomy between January 2013 and October 2018 in two large European gynecological cancer centers were retrospectively evaluated. Main outcome measures were white blood cell count, platelet count, and platelet-to-white blood cell ratio on post-operative days 1, 5, and 7. These were correlated with surgical outcome and morbidity according to the Clavien-Dindo classification. A binomial logistic regression was applied to assess the predictive value of day 5 platelet-to-white blood cell ratio, white blood cell count, and platelet count for predicting grade III post-operative sepsis., Results: Ninety-five patients with ovarian cancer (mean age 54 years, range 18-75) were identified. Seventeen patients (17.9%) developed a grade III post-operative sepsis. In all post-operative patients, mean white blood cell count on day 5 decreased (from 15.4×10 3 /μL to 11.4×10 3 /μL), while the mean platelet count rose (from 260.7×10 3 /μL to 385.3×10 3 /μL). A high platelet count (>313×10 3 /μL) failed to show any predictive value (OR=0.94; 95% CI 0.30 to 3.0; p=0.921). A low platelet-to-white blood cell ratio (<26) (OR=3.49; 95% CI 1.18 to 10.32; p=0.0241) and high white blood cell count (>14.5×10 3 /μL) on day 5 (OR=11.0; 95% CI 3.3 to 36.2; p<0.001) were significant for predicting sepsis. Despite a significant OR, the sensitivity and specificity were low; day 5 platelet-to-white blood cell ratio at a cut-off point of 26 achieved a sensitivity of 72% and specificity of 53% (area under the curve 0.637, 95% CI 0.480 to 0.796) in predicting grade III post-operative sepsis., Conclusions: Platelet-to-white blood cell ratio after cytoreductive surgery for ovarian cancer with splenectomy does not appear to have a strong predictive value in differentiating between sepsis and reactive splenectomy-induced changes. Leukocytosis, in combination with clinical assessment, may remain the most useful tool for prediction of sepsis after cytoreductive surgery with splenectomy., Competing Interests: Competing interests: None declared., (© IGCS and ESGO 2019. No commercial re-use. See rights and permissions. Published by BMJ.)

Objective: Evaluate postoperative hepatic-function in patients with advanced ovarian cancer (OC) who underwent extensive right upper-quadrant (RUQ) cytoreduction in primary, relapsed or interval settings., Methods: We retrospectively reviewed all patients with OC who underwent liver resection, mobilization and/or diaphragmatic-stripping between 01/2013 and 12/2016. Postoperative liver enzyme function (LFTs), assessed by alanine transaminase (ALT), alkaline phosphatase (ALP) and bilirubin (Bil), was correlated with postoperative complications., Results: 132 patients were identified. 81 patients (61%) underwent upfront, 25(19%) interval and 26(20%) secondary cytoreduction. The surgical procedures were right diaphragmatic peritoneal stripping (81/132;61%), full-thickness resection (42/132;32%), liver-capsule resection (85/132;64%), porta-hepatis tumor resection (11/132;8%) and partial hepatectomy (5/132;4%). 74%(98/132) of patients increased their LFTs postoperatively with a peak at 24-hours. Highest ALT median was 1.7-fold of upper normal limit (UNL), with the highest ALT value rising up to 28-fold UNL on the 1st postoperative day (PoD)(range 6-1792 IU/L). Median value of highest ALP was within normal, with the highest ALP value rising up to 4-fold UNL on PoD 5(range 22-512 IU/L). Median value of highest Bilirubin level was also within normal, with highest Bilirubin level rising up to 6-fold UNL on PoD 5(range: 2-120 μmol/L). Mean LFT-normalization time was 7 days (range: 3-14 days). No significant morbidity was directly linked to LFT deterioration, apart from one case (0.8%) of fatal fulminant hepatic-failure., Conclusion: RUQ-cytoreduction is almost always associated with a transient LFT-increase, with no significant clinical implications and spontaneous normalization within the first postoperative week. Due to the existing risk of fulminant liver failure, albeit rare and difficult to predict, postoperatively elevated LFTs should be monitored, until normalization. Large prospective studies are required to assess the predictive value of LFTs and other risk factors for postoperative hepatic failure in patients with OC undergoing extensive RUQ-cytoreduction., (Copyright © 2018 Elsevier Inc. All rights reserved.)