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Lookup NU author(s): Dr Meenakshi Choudhary
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© 2016, Springer-Verlag Berlin Heidelberg. Uterine cancer is the fourth most common cancer in the UK. Transvaginal ultrasound (TVS) provides a reliable means of determining endometrial thickness. There is little consensus as to the optimum endometrial thickness threshold for investigation of endometrial cancer. The aim of our study was to ascertain an appropriate endometrial thickness (ET) while limiting unnecessary investigation. A prospective study of women with postmenopausal bleeding (PMB) referred to the rapid access clinic over a 2-year period was undertaken. The primary investigation was TVS and if the ET was ≥4 mm, an endometrial sampling (Pipelle®) or a hysteroscopy was undertaken. Endometrial cancers were identified from the pathology reporting system and a search of the Northern and Yorkshire Cancer Registry Information Service (NYCRIS). Pre-test/post-test risks of endometrial cancer and numbers needed to test were calculated to determine optimum ET threshold. There were 1045 referrals to the rapid access clinic with a history of PMB. Pre-test risk of endometrial cancer was 6.5 %. Post-test risk was stratified according to ET measurement. The probability of an endometrial cancer at an ET < 4 mm was 0.3 %. Binary logistic regression analysis confirmed a statistically significant linear correlation between ET and the risk of developing endometrial cancer (p < 0.0001). The numbers needed to test in order to diagnose one case of endometrial cancer at 3 mm is 11 when compared with 4 at 10 mm. The authors conclude a threshold of ET ≥ 4 mm ensures the majority of cancers are detected with minimal unnecessary invasive investigation.
Author(s): Russell M, Choudhary M, Roberts M
Publication type: Article
Publication status: Published
Journal: Gynecological Surgery
Year: 2016
Volume: 13
Issue: 3
Pages: 193-197
Print publication date: 01/08/2016
Online publication date: 01/02/2016
Acceptance date: 19/01/2016
ISSN (print): 1613-2076
ISSN (electronic): 1613-2084
Publisher: Springer Verlag
URL: http://doi.org/10.1007/s10397-016-0931-y
DOI: 10.1007/s10397-016-0931-y
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