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Prediction of early response to uterine arterial embolisation of adenomyosis: value of T2 signal intensity ratio of adenomyosis.

Title
Prediction of early response to uterine arterial embolisation of adenomyosis: value of T2 signal intensity ratio of adenomyosis.
Authors
Dae Chul Jung;Man Deuk Kim;Do Yun Lee;Jong Yun Won;Young Taik Oh
Issue Date
2012
Journal Title
European Radiology
ISSN
0938-7994
Citation
European Radiology, Vol.22(9) : 2044~2049, 2012
Abstract
OBJECTIVES: To identify imaging predictors for complete necrosis after uterine artery embolisation (UAE) via quantitative measurement of the signal intensity obtained from magnetic resonance imaging (MRI) of a patient with adenomyosis. METHODS: The MRIs of 119 patients with uterine adenomyosis, who underwent UAE, were retrospectively evaluated. Each lesion was classified based on its location and morphology on MRI. Thickness and signal intensity were measured in each adenomyosis and in the rectus muscle on the T2-weighted sagittal plane, and the T2-weighted signal intensity ratio (T2SR) was calculated. MR parameters were then compared in patients showing complete response that achieved complete necrosis and incomplete response after UAE via univariate and multivariate analysis. Receiver operating characteristic (ROC) analysis was used to evaluate the diagnostic performance of the predictor using MR parameters for differentiating the complete from the incomplete response. RESULTS: The complete necrosis rate was 66.4 % (79/119) after UAE for adenomyosis. Univariate and multivariate analysis results indicated that T2SR was associated significantly with complete necrosis (P = 0.012). Symptomatic adenomyosis with T2SR above 0.475 was associated with complete necrosis after UAE (sensitivity = 57.0, specificity = 70.0, area under the ROC curve [AUC] = 0.643). CONCLUSION: T2SR of adenomyosis on pre-procedural MRI can be utilised as a predictor for early therapeutic response of UAE in adenomyosis.
URI
http://link.springer.com/article/10.1007%2Fs00330-012-2436-z

http://ir.ymlib.yonsei.ac.kr/handle/22282913/90254
DOI
10.1007/s00330-012-2436-z
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
Yonsei Authors
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