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Low-grade versus high-grade serous ovarian cancer: comparison of surgical outcomes after secondary cytoreductive surgery
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Low-grade versus high-grade serous ovarian cancer: comparison of surgical outcomes after secondary cytoreductive surgery
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Journal Article
Low-grade versus high-grade serous ovarian cancer: comparison of surgical outcomes after secondary cytoreductive surgery
2024
Overview
ObjectiveRetrospective series have shown secondary cytoreductive surgery improves oncological outcomes in recurrent low-grade serous ovarian cancer. We aim to compare surgical procedures and complications between patients with low-grade and high-grade recurrent serous ovarian cancer.MethodsThis retrospective single-institution study includes patients with recurrent low-grade and high-grade serous ovarian cancer undergoing surgery between January 2012 to December 2021. Patients were propensity matched 1:3 for residual tumor at first surgery, presence of ascites and performance status. Complexity of surgery and postoperative complications were analyzed.ResultsA total of 116 patients undergoing secondary cytoreductive surgery were included with 29 patients (25%) having low-grade ovarian cancer. The median age of the patients was 54 years (range: 19–85) and 57 years (range: 29–78) in low-grade and high-grade ovarian cancer, respectively (p=0.13). Stages III/IV at diagnosis were more frequent in patients with high-grade ovarian cancers (p<0.001). Peritoneal involvement was higher in low-grade compared with high-grade ovarian cancer as shown by the higher rate of diaphragmatic (41.4% vs 21.8%, p=0.05), abdominal wall (41.4% vs 18.4%, p=0.02) and pelvic (51.7% vs 21.8%, p=0.01) peritonectomy. Multiple bowel resections were higher in low-grade ovarian cancer (24.1% vs 8.0%, p=0.04), while high-grade ovarian cancer had a higher rate of nodal recurrences (73.2%% vs 37.9%, p=0.03). Overall, surgical complexity was higher in low-grade ovarian cancer (58.6% vs 36.8%; p=0.05), with higher median estimated blood loss (400 vs 200 mL; p=0.01) compared with high-grade. Complete cytoreduction was achieved in 26 patients (89.7%) with low-grade and 84 (96.6%) with high-grade (p=0.16) ovarian cancer, with no significant differences in postoperative complications.ConclusionsSecondary cytoreductive surgery in low-grade serous ovarian cancer patients was associated with higher complexity, multiple bowel resections, and higher median estimated blood loss than in high-grade serous ovarian cancer. The comparable rate of postoperative complications suggests that secondary cytoreductive surgery in this group of patients is feasible in expert centers.
Publisher
BMJ Publishing Group Ltd,Elsevier Inc,Elsevier Limited
Subject
/ Aged
/ Ascites
/ Cystadenocarcinoma, Serous - pathology
/ Cystadenocarcinoma, Serous - surgery
/ cytoreduction surgical procedures
/ Cytoreduction Surgical Procedures - methods
/ Female
/ gynecologic surgical procedures
/ Humans
/ Neoplasm Recurrence, Local - pathology
/ Neoplasm Recurrence, Local - surgery
/ Oncology
/ Ovarian Neoplasms - pathology
/ Postoperative Complications - epidemiology
/ Surgery
