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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