The clinical importance of polyp size measurement through two-dimensional saline infusion sonohysterography prior to hysteroscopic resection in predicting premalignant and malignant endometrial lesions.

During the female reproductive years, endometrial polyps smaller than 10 mm, as measured in SIS, can be followed. However, when the polyp size is 22.5 mm or more, especially in postmenopausal women, treatment should be planned.