Abstract
To assess the correlation between ultrasound findings of cystic endometrium and hysteroscopic and histopathologic findings. A retrospective study was performed across two London hospital sites between January and December 2020. The percentage chance of having either endometrial hyperplasia or cancer was lower in our cohort of women with postmenopausal bleeding and ultrasound findings of cystic endometrium, compared with population estimates for women with postmenopausal bleeding alone (4.1% vs 10%-15% for endometrial cancer and 1.4% vs 5%-10% for endometrial hyperplasia). Conversely, a higher proportion of women in our cohort were diagnosed with endometrial polyps compared with population estimates for postmenopausal bleeding (68% vs 2%-12%). The rate of endometrial hyperplasia was significantly higher in our cohort of premenopausal women with abnormal uterine bleeding and cystic endometrium compared with population estimates for premenopausal patients with abnormal uterine bleeding (15.4% vs 1.4%). Cystic endometrium appears to be a powerful predictor of endometrial pathology. The high rate of endometrial hyperplasia in premenopausal women with cystic endometrium would advocate the need to obtain histologic diagnoses. Further studies are required to confirm whether cystic endometrium in women with postmenopausal bleeding confers a lower risk of endometrial hyperplasia and cancer.
Published Version
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