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Korean Journal of Obstetrics & Gynecology 2001;44(9):1650-1656.
Published online September 1, 2001.
Comparison of MRI's Prediction of Myometrial, Cervical Invasion and Surgical Staging in Endometrial Carcinoma.
Yong Tark Jeon, Kyu Ri Hwang, Jae Weon Kim, Noh Hyun Park, Yong Sang Song, Soon Beom Kang, Hyo Pyo Lee
Department of Obstetrics and Gynecology, College of Medicine, Seoul National University, Seoul, Korea.
Abstract
OBJECTIVE
The aim of this study was accuracy evaluation of MRI in prediction of myometrial, cervical invasion in endometrial carcinoma by comparing with histopathologic findings and to find causes of inaccurate MRI readings. METHOD: Fifty patients with endometrial carcinoma who were evaluated with MRI imaging prior to surgery were reviewed. And then, we compared MRI findings and histopathologic findings in view of myometrial, cervical invasion. RESULTS: Overall accuracy of MRI in prediction of myometrial invasion was 48%. Sensitivity/specificity/ PPV/NPV in prediction of no myometrial invasion were 100%/42.9%/42.9%/100% respectively, in prediction of superficial myometrial invasion were 20.0%/86.7%/50.0%/61.9% respectively, in prediction of deep myometrial invasion were 33.3%/94.3%/71.4%/76.7%, respectively. Accuracy in prediction of cervical invasion was 84% and sensitivity/specificity/PPV/NPV were 50.0%/88.6%/37.5%/92.9% respectively. Among the probable causes of inaccurate MRI readings, polypoid tumor occupies large portion. CONCLUSION: MRI has some value in pre-operative evaluation of patients with endometrial carcinoma. We should cautiously accept the MRI readings when tumor shows polypoid growth.
Key Words: MRI, Endometrial carcinoma, Myometrial invasion, Cervical invasion


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