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Abstract #4397

MR imaging in the prediction of aggressive histological features in papillary thyroid carcinoma

Bin Song1 and Hao Wang1

1Radiology, Central Hospital of Minhang District, Fudan University, Shanghai, People's Republic of China

Purpose To investigate the value of magnetic resonance imaging (MRI) features for prediction of tumor aggressiveness in papillary thyroid cancer (PTC). Method A consecutive series of 119 lesions with PTC were preoperatively evaluated by MR imaging. A multivariate analysis was performed to predict tumor aggressiveness by 18 independent variables. Results Multivariate analysis demonstrated that lesion size classification and tumor margin on delayed contrast-enhanced images were the independent predictors of high aggressive PTC. Conclusion Lesion size classification and tumor margin on delayed contrast-enhanced images can be used preoperatively to estimate the risk of high aggressive of PTC.

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