biostudies-literatureUnknown27De Decker K<h4>Objectives</h4>Discordance between frozen section diagnosis and the definite histopathological diagnosis and the fact that the frozen section result is not always unambiguous, may contribute to differences in clinical practice regarding perioperative treatment and follow-up of borderline ovarian tumours (BOTs) patients amongst gynaecologic oncologists, which may lead to over- and undertreatment. The aim of the study was to map the Dutch gynaecologists' preferred treatment and follow-up strategy in case of BOTs.<h4>Methods</h4>A questionnaire was sent to all Dutch gynaecologists involved in ovarian surgery with perioperative frozen section analysis, and the outcomes were assessed using descriptive statistics.<h4>Results</h4>Nearly half of the respondents (41.0%) would not perform a stagGynecologic oncology reports25-30https://www.ebi.ac.uk/biostudies/studies/S-EPMC6297066biostudies-literatureBorderline tumours of the ovary: Common practice in the Netherlands.PMC6297066Kruse AJBart JNijman HWTer Brugge HGKruitwagen RFPMDe Decker KfalseBorderline tumours of the ovary: Common practice in the Netherlands.<h4>Objectives</h4>Discordance between frozen section diagnosis and the definite histopathological diagnosis and the fact that the frozen section result is not always unambiguous, may contribute to differences in clinical practice regarding perioperative treatment and follow-up of borderline ovarian tumours (BOTs) patients amongst gynaecologic oncologists, which may lead to over- and undertreatment. The aim of the study was to map the Dutch gynaecologists' preferred treatment and follow-up strategy in case of BOTs.<h4>Methods</h4>A questionnaire was sent to all Dutch gynaecologists involved in ovarian surgery with perioperative frozen section analysis, and the outcomes were assessed using descriptive statistics.<h4>Results</h4>Nearly half of the respondents (41.0%) would not perform a stag2019-01-01T00:00:00Z2019 Feb2026-07-09T12:24:32.042Z2019-03-26T22:43:38ZS-EPMC62970663058195210.1016/j.gore.2018.12.004