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SCIENTIFIC EXHIBIT |
1 From the Departments of Radiology (E.J.L., J.Y.B., B.K., K.S.S.) and Obstetrics and Gynecology (S.E.N.K.), Kangnam St Mary's Hospital, Catholic University of Korea, 505 Banpo-dong, Seocho-ku, Seoul 137-040, Korea. Presented as a scientific exhibit at the 1997 RSNA scientific assembly. Received June 10, 1998; revision requested August 24; final revision received November 10; accepted November 10. Address reprint requests to J.Y.B.
This study evaluated the usefulness of T2-weighted and gadolinium-enhanced T1-weighted magnetic resonance (MR) images correlated with patients' menopausal status in assessing the depth of myometrial invasion in stage I endometrial carcinoma. MR images of 46 patients with stage I endometrial carcinoma were retrospectively reviewed. Twenty-five patients were premenopausal, and 21 were postmenopausal. The staging accuracy without regard to menopausal status was 59% for T2-weighted images and 61% for gadolinium-enhanced T1-weighted images. However, when staging accuracy was evaluated separately in the premenopausal and postmenopausal patient groups, T2-weighted imaging had an accuracy of 80% in the premenopausal group and gadolinium-enhanced T1-weighted imaging had an accuracy of 81% in the postmenopausal group. Therefore, T2-weighted imaging was more accurate in premenopausal patients and gadolinium-enhanced T1-weighted imaging was more accurate in postmenopausal patients. The overall accuracy of staging with MR imaging improved to 80% when patients' menopausal status was considered. Therefore, menopausal status should be considered when T2-weighted and gadolinium-enhanced T1-weighted MR images are used to stage early endometrial carcinoma.
Index Terms: Uterine neoplasms, MR, 854.12143, 854.32 • Uterine neoplasms, staging, 854.32
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