False-normal appearance of the endometrium on conventional transvaginal sonography: comparison with saline hysterosonography.

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.