Sentinel lymph node mapping for endometrial and cervical cancer in Denmark

Sarah Marie Bjørnholt, Sara Elizabeth Sponholtz, Algirdas Markauskas, Ligita Paskeviciute Froeding, Christian Rifbjerg Larsen, Katrine Fuglsang, Doris Schledermann, Ole Mogensen, Pernille Tine Jensen

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Abstract

INTRODUCTION: This was a surgical pilot study to systematically introduce the technique of sentinel lymph node (SLN) mapping in women with early-stage stage cervical cancer (CC) and endometrial cancer (EC) in Denmark. The study aimed to facilitate structured surgical training to ensure surgeon proficiency in SLN mapping. The study precedes two national prospective studies on the oncological safety and correct patient selection for SLN mapping in CC and EC. METHODS: The study was conducted at four gynaecological cancer centres at Odense and Aarhus University Hospital, Rigshospitalet and Herlev Hospital, between September 2016 and August 2019. All centres went through a protocolled introduction to the surgical technique, pelvic lymphatic drainage, pathological ultra-staging and data entry. A criterion of a total (uni- and bilateral) SLN detection of > 80%, based on 30 SLN mappings was set. RESULTS: The four centres performed 140 (range: 30-46) procedures. The total SLN detection rate was 91.3% with bilateral SLN detection in 68.8% and unilateral SLN detection in 22.5% of cases. The cumulated total SLN detection rate at three centres was above the pre-set 80% criterion from the beginning of inclusion, whereas one centre reached the criterion after 20 procedures. CONCLUSIONS: In this study, all centres demonstrated international-level SLN detection rates within 30 procedures. Hence, all centres met the study criterion regarding surgeon proficiency and were eligible for the national studies. Funding: Eva & Henry Frænkels Fond, Frimodt-Heineke Fonden, Kong Christian X Fond. TRIAL REGISTRATION: The study was approved by the Danish Data Protection Agency (R. no.15/52037). The SENTIREC studies including this pilot study are registered with clinicaltrials.gov (NCT02825355 and NCT02820506).
Original languageEnglish
Article numberA11200886
JournalDanish Medical Journal
Volume68
Issue number4
ISSN1603-9629
Publication statusPublished - Apr 2021

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