Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study

Abstract Introduction Increasing evidence shows that conservative management of ovarian tumors classified as benign, based on ultrasound assessment, is safe. Therefore, conservative management has been adopted as the preferred strategy for certain ovarian tumors assessed as benign in the Dutch natio...

Full description

Saved in:
Bibliographic Details
Main Authors: Esther Lems, Anna H. Koch, Sam Armbrust, Jaklien C. Leemans, Marlies Y. Bongers, Alicia Leon‐Castillo, Christianne A. R. Lok, Peggy M. A. J. Geomini
Format: Article
Language:English
Published: Wiley 2024-11-01
Series:Acta Obstetricia et Gynecologica Scandinavica
Subjects:
Online Access:https://doi.org/10.1111/aogs.14912
Tags: Add Tag
No Tags, Be the first to tag this record!
_version_ 1849422866055954432
author Esther Lems
Anna H. Koch
Sam Armbrust
Jaklien C. Leemans
Marlies Y. Bongers
Alicia Leon‐Castillo
Christianne A. R. Lok
Peggy M. A. J. Geomini
author_facet Esther Lems
Anna H. Koch
Sam Armbrust
Jaklien C. Leemans
Marlies Y. Bongers
Alicia Leon‐Castillo
Christianne A. R. Lok
Peggy M. A. J. Geomini
author_sort Esther Lems
collection DOAJ
description Abstract Introduction Increasing evidence shows that conservative management of ovarian tumors classified as benign, based on ultrasound assessment, is safe. Therefore, conservative management has been adopted as the preferred strategy for certain ovarian tumors assessed as benign in the Dutch national guideline on enlarged ovaries in 2013. The aim of this study was to examine whether implementation of this guideline has led to changes in the number of women/100 000 women undergoing surgery for an ovarian tumor in the Netherlands. Material and Methods Histopathology reports were requested for all examinations of ovarian and fallopian tube specimens (including cyst enucleations) registered in Palga, the Dutch nationwide pathology databank, from 2011 (before guideline adaptation) and 2019 (after guideline adaptation). Reports on prophylactically removed adnexa, removal for other primary tumors (eg endometrial carcinoma), and for patients under 18 years of age, were excluded from the analysis. Interobserver agreement for the inclusion and classification of reports was assessed using Cohen's Kappa analysis. Results A total of 34 932 reports were retrieved, 13 917 of which were included in the analysis. In 2011 and 2019, respectively, 96.3/100 000 vs 68.8/100 000 women aged ≥18 underwent surgery for benign ovarian tumors, and 19.6/100 000 vs 18.3/100 000 for borderline and malignant tumors combined. The number of women/100 000 who had surgery for a benign ovarian tumor per 100 000 women declined by 28.5% (p < 0.001) between 2011 and 2019. The largest difference between 2011 and 2019 was observed in the number of women per 100 000 women who underwent surgery for a serous cystadenoma (−40.7%; 20.8/100 000 vs. 12.3/100 000), followed by endometrioma (−33.2%; 14.7/100 000 vs. 9.8/100 000), simple epithelial cyst (−57.3%; 8.4/100 000 vs. 3.6/100 000), and corpus luteum cyst (−57.0%; 4.0/100 000 vs. 1.7/100 000). Cohen's Kappa for the interobserver agreement was 0.96. Conclusions The number of women/100 000 undergoing surgery for a benign ovarian tumor has substantially decreased in the Netherlands when comparing data before and after implementation of the national guideline in 2013, while the number of women/100 000 undergoing surgery for a malignant or borderline tumor remained the same. These findings suggest successful implementation of the updated guideline, and a measurable effect on increased adoption of conservative management for benign‐looking ovarian tumors.
format Article
id doaj-art-651b72ae369a4c829c281f1337e37fc7
institution Kabale University
issn 0001-6349
1600-0412
language English
publishDate 2024-11-01
publisher Wiley
record_format Article
series Acta Obstetricia et Gynecologica Scandinavica
spelling doaj-art-651b72ae369a4c829c281f1337e37fc72025-08-20T03:30:53ZengWileyActa Obstetricia et Gynecologica Scandinavica0001-63491600-04122024-11-01103112183219210.1111/aogs.14912Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort studyEsther Lems0Anna H. Koch1Sam Armbrust2Jaklien C. Leemans3Marlies Y. Bongers4Alicia Leon‐Castillo5Christianne A. R. Lok6Peggy M. A. J. Geomini7Máxima Medical Center Veldhoven the NetherlandsDepartment of Gynecologic Oncology and Department of Pathology, Center of Gynecologic Oncology Amsterdam, Location Antoni van Leeuwenhoek Netherlands Cancer Institute Amsterdam the NetherlandsMáxima Medical Center Veldhoven the NetherlandsMáxima Medical Center Veldhoven the NetherlandsMáxima Medical Center Veldhoven the NetherlandsDepartment of Pathology, Center of Gynecologic Oncology Amsterdam, Location Antoni van Leeuwenhoek Netherlands Cancer Institute Amsterdam the NetherlandsDepartment of Gynecologic Oncology and Department of Pathology, Center of Gynecologic Oncology Amsterdam, Location Antoni van Leeuwenhoek Netherlands Cancer Institute Amsterdam the NetherlandsMáxima Medical Center Veldhoven the NetherlandsAbstract Introduction Increasing evidence shows that conservative management of ovarian tumors classified as benign, based on ultrasound assessment, is safe. Therefore, conservative management has been adopted as the preferred strategy for certain ovarian tumors assessed as benign in the Dutch national guideline on enlarged ovaries in 2013. The aim of this study was to examine whether implementation of this guideline has led to changes in the number of women/100 000 women undergoing surgery for an ovarian tumor in the Netherlands. Material and Methods Histopathology reports were requested for all examinations of ovarian and fallopian tube specimens (including cyst enucleations) registered in Palga, the Dutch nationwide pathology databank, from 2011 (before guideline adaptation) and 2019 (after guideline adaptation). Reports on prophylactically removed adnexa, removal for other primary tumors (eg endometrial carcinoma), and for patients under 18 years of age, were excluded from the analysis. Interobserver agreement for the inclusion and classification of reports was assessed using Cohen's Kappa analysis. Results A total of 34 932 reports were retrieved, 13 917 of which were included in the analysis. In 2011 and 2019, respectively, 96.3/100 000 vs 68.8/100 000 women aged ≥18 underwent surgery for benign ovarian tumors, and 19.6/100 000 vs 18.3/100 000 for borderline and malignant tumors combined. The number of women/100 000 who had surgery for a benign ovarian tumor per 100 000 women declined by 28.5% (p < 0.001) between 2011 and 2019. The largest difference between 2011 and 2019 was observed in the number of women per 100 000 women who underwent surgery for a serous cystadenoma (−40.7%; 20.8/100 000 vs. 12.3/100 000), followed by endometrioma (−33.2%; 14.7/100 000 vs. 9.8/100 000), simple epithelial cyst (−57.3%; 8.4/100 000 vs. 3.6/100 000), and corpus luteum cyst (−57.0%; 4.0/100 000 vs. 1.7/100 000). Cohen's Kappa for the interobserver agreement was 0.96. Conclusions The number of women/100 000 undergoing surgery for a benign ovarian tumor has substantially decreased in the Netherlands when comparing data before and after implementation of the national guideline in 2013, while the number of women/100 000 undergoing surgery for a malignant or borderline tumor remained the same. These findings suggest successful implementation of the updated guideline, and a measurable effect on increased adoption of conservative management for benign‐looking ovarian tumors.https://doi.org/10.1111/aogs.14912adnexal diseaseconservative managementguideline implementationnational registryovarian neoplasms
spellingShingle Esther Lems
Anna H. Koch
Sam Armbrust
Jaklien C. Leemans
Marlies Y. Bongers
Alicia Leon‐Castillo
Christianne A. R. Lok
Peggy M. A. J. Geomini
Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
Acta Obstetricia et Gynecologica Scandinavica
adnexal disease
conservative management
guideline implementation
national registry
ovarian neoplasms
title Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
title_full Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
title_fullStr Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
title_full_unstemmed Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
title_short Do we more often opt for conservative management of ovarian tumors after changing the Dutch national guideline on enlarged ovaries? A nationwide cohort study
title_sort do we more often opt for conservative management of ovarian tumors after changing the dutch national guideline on enlarged ovaries a nationwide cohort study
topic adnexal disease
conservative management
guideline implementation
national registry
ovarian neoplasms
url https://doi.org/10.1111/aogs.14912
work_keys_str_mv AT estherlems dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT annahkoch dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT samarmbrust dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT jakliencleemans dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT marliesybongers dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT alicialeoncastillo dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT christiannearlok dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy
AT peggymajgeomini dowemoreoftenoptforconservativemanagementofovariantumorsafterchangingthedutchnationalguidelineonenlargedovariesanationwidecohortstudy