Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers

Simple summaryLow-grade serous ovarian cancer (LGSOC) represents an uncommon histotype of serous ovarian cancer (accounting for approximately 5% of all ovarian cancer) with a distinct behavior compared to its high-grade serous counterpart, characterized by a better prognosis and low response rate to...

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Main Authors: Paolo Di Lorenzo, Vincenza Conteduca, Emanuela Scarpi, Marco Adorni, Francesco Multinu, Annalisa Garbi, Ilaria Betella, Tommaso Grassi, Tommaso Bianchi, Giampaolo Di Martino, Andrea Amadori, Paolo Maniglio, Isabella Strada, Silvestro Carinelli, Marta Jaconi, Giovanni Aletti, Vanna Zanagnolo, Angelo Maggioni, Luca Savelli, Ugo De Giorgi, Fabio Landoni, Nicoletta Colombo, Robert Fruscio
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-09-01
Series:Frontiers in Oncology
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Online Access:https://www.frontiersin.org/articles/10.3389/fonc.2022.970918/full
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author Paolo Di Lorenzo
Paolo Di Lorenzo
Vincenza Conteduca
Vincenza Conteduca
Emanuela Scarpi
Marco Adorni
Francesco Multinu
Annalisa Garbi
Ilaria Betella
Tommaso Grassi
Tommaso Bianchi
Giampaolo Di Martino
Andrea Amadori
Paolo Maniglio
Isabella Strada
Silvestro Carinelli
Marta Jaconi
Giovanni Aletti
Giovanni Aletti
Vanna Zanagnolo
Angelo Maggioni
Luca Savelli
Ugo De Giorgi
Fabio Landoni
Nicoletta Colombo
Nicoletta Colombo
Robert Fruscio
Robert Fruscio
author_facet Paolo Di Lorenzo
Paolo Di Lorenzo
Vincenza Conteduca
Vincenza Conteduca
Emanuela Scarpi
Marco Adorni
Francesco Multinu
Annalisa Garbi
Ilaria Betella
Tommaso Grassi
Tommaso Bianchi
Giampaolo Di Martino
Andrea Amadori
Paolo Maniglio
Isabella Strada
Silvestro Carinelli
Marta Jaconi
Giovanni Aletti
Giovanni Aletti
Vanna Zanagnolo
Angelo Maggioni
Luca Savelli
Ugo De Giorgi
Fabio Landoni
Nicoletta Colombo
Nicoletta Colombo
Robert Fruscio
Robert Fruscio
author_sort Paolo Di Lorenzo
collection DOAJ
description Simple summaryLow-grade serous ovarian cancer (LGSOC) represents an uncommon histotype of serous ovarian cancer (accounting for approximately 5% of all ovarian cancer) with a distinct behavior compared to its high-grade serous counterpart, characterized by a better prognosis and low response rate to chemotherapeutic agents. Similar to high-grade serous ovarian cancer, cytoreductive surgery is considered crucial for patient survival. This retrospective study aimed to analyze the outcomes of women affected by advanced stages (III–IV FIGO) of LGSOC from two high-volume oncological centers for ovarian neoplasm. In particular, we sought to evaluate the impact on survival outcomes of optimal cytoreductive surgery [i.e., residual disease (RD) <10 mm at the end of surgery]. The results of our work confirm the role of complete cytoreduction (i.e., no evidence of disease after surgery) in the survival of patients and even the positive prognostic role of a minimal RD (i.e., <10 mm), whenever complete cytoreduction cannot be achieved.BackgroundLow-grade serous ovarian cancer (LGSOC) is a rare entity with different behavior compared to high-grade serous (HGSOC). Because of its general low chemosensitivity, complete cytoreductive surgery with no residual disease is crucial in advanced stage LGSOC. We evaluated the impact of optimal cytoreduction on survival outcome both at first diagnosis and at recurrence.MethodsWe retrospectively studied consecutive patients diagnosed with advanced LGSOCs who underwent cytoreductive surgery in two oncological centers from January 1994 to December 2018. Survival curves were estimated by the Kaplan–Meier method, and 95% confidence intervals (95% CI) were estimated using the Greenwood formula.ResultsA total of 92 patients were included (median age was 47 years, IQR 35–64). The median overall survival (OS) was 142.3 months in patients with no residual disease (RD), 86.4 months for RD 1–10 mm and 35.2 months for RD >10 mm (p = 0.002). Progression-free survival (PFS) was inversely related to RD after primary cytoreductive surgery (RD = 0 vs RD = 1–10 mm vs RD >10 mm, p = 0.002). On multivariate analysis, RD 1–10 mm (HR = 2.30, 95% CI 1.30–4.06, p = 0.004), RD >10 mm (HR = 3.89, 95% CI 1.92–7.88, p = 0.0004), FIGO stage IV (p = 0.001), and neoadjuvant chemotherapy (NACT) (p = 0.010) were independent predictors of PFS. RD >10 mm (HR = 3.13, 95% CI 1.52–6.46, p = 0.004), FIGO stage IV (p <0.0001) and NACT (p = 0.030) were significantly associated with a lower OS.ConclusionsOptimal cytoreductive surgery improves survival outcomes in advanced stage LGSOCs. When complete debulking is impossible, a RD <10 mm confers better OS compared to an RD >10 mm in this setting of patients.
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spelling doaj.art-8e1e191bdf904bd3aed14edd63a78c002022-12-22T03:50:30ZengFrontiers Media S.A.Frontiers in Oncology2234-943X2022-09-011210.3389/fonc.2022.970918970918Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centersPaolo Di Lorenzo0Paolo Di Lorenzo1Vincenza Conteduca2Vincenza Conteduca3Emanuela Scarpi4Marco Adorni5Francesco Multinu6Annalisa Garbi7Ilaria Betella8Tommaso Grassi9Tommaso Bianchi10Giampaolo Di Martino11Andrea Amadori12Paolo Maniglio13Isabella Strada14Silvestro Carinelli15Marta Jaconi16Giovanni Aletti17Giovanni Aletti18Vanna Zanagnolo19Angelo Maggioni20Luca Savelli21Ugo De Giorgi22Fabio Landoni23Nicoletta Colombo24Nicoletta Colombo25Robert Fruscio26Robert Fruscio27Obstetrics and Gynecology Unit, Morgagni-Pierantoni Hospital, Forlì, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyDepartment of Medical Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS) Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori”, Meldola, ItalyUnit of Medical Oncology and Biomolecular Therapy, Department of Medical and Surgical Sciences, University of Foggia, Policlinico Riuniti, Foggia, ItalyBiostatistics and Clinical Trials Unit, Istituto di ricovero e cura a carattere scientifico (IRCCS) Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori”, Meldola, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyObstetrics and Gynecology Unit, Morgagni-Pierantoni Hospital, Forlì, ItalyObstetrics and Gynecology Unit, Morgagni-Pierantoni Hospital, Forlì, ItalyObstetrics and Gynecology Unit, Morgagni-Pierantoni Hospital, Forlì, ItalyDepartment of Pathology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyDepartment of Pathology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyDepartment of Hemato-Oncology, University of Milan, Milano, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, ItalyObstetrics and Gynecology Unit, Morgagni-Pierantoni Hospital, Forlì, ItalyDepartment of Medical Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS) Istituto Romagnolo per lo Studio dei Tumori “Dino Amadori”, Meldola, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, ItalyDivision of Gynecologic Oncology, European Institute of Oncology, Istituto di ricovero e cura a carattere scientifico (IRCCS), Milano, Italy0Department of Medicine and Surgery, University of Milano-Bicocca, Monza, ItalyClinic of Obstetrics and Gynecology, San Gerardo Hospital, University of Milano-Bicocca, Monza, Italy0Department of Medicine and Surgery, University of Milano-Bicocca, Monza, ItalySimple summaryLow-grade serous ovarian cancer (LGSOC) represents an uncommon histotype of serous ovarian cancer (accounting for approximately 5% of all ovarian cancer) with a distinct behavior compared to its high-grade serous counterpart, characterized by a better prognosis and low response rate to chemotherapeutic agents. Similar to high-grade serous ovarian cancer, cytoreductive surgery is considered crucial for patient survival. This retrospective study aimed to analyze the outcomes of women affected by advanced stages (III–IV FIGO) of LGSOC from two high-volume oncological centers for ovarian neoplasm. In particular, we sought to evaluate the impact on survival outcomes of optimal cytoreductive surgery [i.e., residual disease (RD) <10 mm at the end of surgery]. The results of our work confirm the role of complete cytoreduction (i.e., no evidence of disease after surgery) in the survival of patients and even the positive prognostic role of a minimal RD (i.e., <10 mm), whenever complete cytoreduction cannot be achieved.BackgroundLow-grade serous ovarian cancer (LGSOC) is a rare entity with different behavior compared to high-grade serous (HGSOC). Because of its general low chemosensitivity, complete cytoreductive surgery with no residual disease is crucial in advanced stage LGSOC. We evaluated the impact of optimal cytoreduction on survival outcome both at first diagnosis and at recurrence.MethodsWe retrospectively studied consecutive patients diagnosed with advanced LGSOCs who underwent cytoreductive surgery in two oncological centers from January 1994 to December 2018. Survival curves were estimated by the Kaplan–Meier method, and 95% confidence intervals (95% CI) were estimated using the Greenwood formula.ResultsA total of 92 patients were included (median age was 47 years, IQR 35–64). The median overall survival (OS) was 142.3 months in patients with no residual disease (RD), 86.4 months for RD 1–10 mm and 35.2 months for RD >10 mm (p = 0.002). Progression-free survival (PFS) was inversely related to RD after primary cytoreductive surgery (RD = 0 vs RD = 1–10 mm vs RD >10 mm, p = 0.002). On multivariate analysis, RD 1–10 mm (HR = 2.30, 95% CI 1.30–4.06, p = 0.004), RD >10 mm (HR = 3.89, 95% CI 1.92–7.88, p = 0.0004), FIGO stage IV (p = 0.001), and neoadjuvant chemotherapy (NACT) (p = 0.010) were independent predictors of PFS. RD >10 mm (HR = 3.13, 95% CI 1.52–6.46, p = 0.004), FIGO stage IV (p <0.0001) and NACT (p = 0.030) were significantly associated with a lower OS.ConclusionsOptimal cytoreductive surgery improves survival outcomes in advanced stage LGSOCs. When complete debulking is impossible, a RD <10 mm confers better OS compared to an RD >10 mm in this setting of patients.https://www.frontiersin.org/articles/10.3389/fonc.2022.970918/fulllow-grade serous ovarian cancerprimary cytoreductionneoadjuvant chemotherapyresidual diseaseadjuvant treatmentsecondary cytoreductive surgery
spellingShingle Paolo Di Lorenzo
Paolo Di Lorenzo
Vincenza Conteduca
Vincenza Conteduca
Emanuela Scarpi
Marco Adorni
Francesco Multinu
Annalisa Garbi
Ilaria Betella
Tommaso Grassi
Tommaso Bianchi
Giampaolo Di Martino
Andrea Amadori
Paolo Maniglio
Isabella Strada
Silvestro Carinelli
Marta Jaconi
Giovanni Aletti
Giovanni Aletti
Vanna Zanagnolo
Angelo Maggioni
Luca Savelli
Ugo De Giorgi
Fabio Landoni
Nicoletta Colombo
Nicoletta Colombo
Robert Fruscio
Robert Fruscio
Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
Frontiers in Oncology
low-grade serous ovarian cancer
primary cytoreduction
neoadjuvant chemotherapy
residual disease
adjuvant treatment
secondary cytoreductive surgery
title Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
title_full Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
title_fullStr Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
title_full_unstemmed Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
title_short Advanced low grade serous ovarian cancer: A retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
title_sort advanced low grade serous ovarian cancer a retrospective analysis of surgical and chemotherapeutic management in two high volume oncological centers
topic low-grade serous ovarian cancer
primary cytoreduction
neoadjuvant chemotherapy
residual disease
adjuvant treatment
secondary cytoreductive surgery
url https://www.frontiersin.org/articles/10.3389/fonc.2022.970918/full
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