False-Normal Appearance of the Endometrium on Conventional Transvaginal Sonography

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Abstract
OBJECTIVE. The objective of this article is to assess the utility of transvaginal saline hysterosonography in patients presenting with a normal-appearing endometrium on conventional transvaginal pelvic sonography.MATERIALS AND METHODS. Between August 1997 and October 1999, 180 patients underwent saline hysterosonography for abnormal vaginal bleeding. All patients had conventional transvaginal pelvic sonography before saline hysterosonography. On conventional transvaginal sonography, the sonographic appearance of the endometrium was classified according to the following parameters: normal or abnormal thickness, homogeneous or heterogeneous echogenicity, bulbous contour, discontinuous, or obscured. A comparison was performed between the endometrial appearance on conventional transvaginal sonography with that of the uterine cavity on saline hysterosonography.RESULTS. Saline hysterosonography showed abnormalities in 114 patients. Polyps were identified in 53 patients, submucosal leiomyomas in 37 patients, ute...

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