Incidence and risk factors for insufficient endometrial tissue from endometrial sampling
Authors Aue-aungkul A, Kleebkaow P, Kietpeerakool C
Received 30 April 2018
Accepted for publication 3 July 2018
Published 15 August 2018 Volume 2018:10 Pages 453—457
Checked for plagiarism Yes
Review by Single-blind
Peer reviewers approved by Dr Justinn Cochran
Peer reviewer comments 4
Editor who approved publication: Professor Elie Al-Chaer
Apiwat Aue-aungkul, Pilaiwan Kleebkaow, Chumnan Kietpeerakool
Department of Obstetrics and Gynecology, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
Objective: To assess the incidence of and factors that predict insufficient tissue after endometrial sampling.
Methods: This study reviewed the records of women undergoing endometrial sampling at Khon Kaen University’s Srinagarind Hospital between June 2014 and June 2015. It excluded cases in which the device could not be inserted into the uterine cavity due to pain intolerance or equipment failure. The criterion for diagnosing insufficient endometrial tissue was a lack of any intact tissue fragments containing both glands and stroma.
Results: Medical records of 233 women were reviewed. Insufficient tissue following endometrial sampling was noted in 67 cases (28.8%; 95% confidence interval [CI]=23.0–35.0). Histologic results in the remaining 166 women included normal pathological endometrium (121, 51.9%), endometrial polyps (7, 3.0%) endometrial hyperplasia (27, 11.6%), and endometrial cancer (11, 4.7%). According to multivariable analysis, menopausal status (odds ratio [OR] =3.60, 95% CI=1.84–7.05) and endometrial thickness of less than 8 mm (OR=3.91, 95% CI=1.49–10.21) were significant independent predictors for insufficient endometrial tissue after endometrial sampling.
Conclusion: The incidence of insufficient tissue following endometrial sampling was 28.8%. Significant independent factors associated with an increased risk of insufficient tissue were menopausal status and endometrial thickness of less than 8 mm.
Keywords: insufficient endometrial tissue, endometrial sampling, Endocell®, sample adequacy, inadequate sampling
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