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Abstract #1245

Differentiation of Malignant and Benign Parotid Tumors with Amide Proton Transfer-Weighted MR Imaging

Yu Chen1, Tong Su1, Zhengyu Jin1, Zhentan Xu1, Zhizheng Zhuo2, Zhuhua Zhang1, and Huadan Xue1

1Peking Union Medical College Hospital, Beijing, China, 2Philips Healthcare, Beijing, China

This retrospective study evaluated the diagnostic efficacy of diffusion-weighted imaging (DWI) and amide proton transfer-weighted (APTw), for differentiating between malignant, pleomophic adenomas and Warthin’s tumours. APTw imaging can differentiate Warthin’s tumors and malignant tumors of parotid. ADC can differentiate Warthin’s tumors and pleomorphic adenomas. APT combined with ADC had the better performance to differentiate the three common kinds of parotid tumours.

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