Abstract #1599

Comparison of bi-exponential and mono-exponential model of diffusion weighted imaging in evaluation of pulmonary nodules or masses: preliminary experience

Xinchun Li¹, Qi Wang¹, Yingjie Mei², Jiaxi Yu¹, Qiao Zou¹, Yingshi Deng¹, and Yudong Yu¹

¹Department of Radiology, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China, People's Republic of, ²Philips Healthcare, Guangzhou, China, People's Republic of

The differential diagnosis of benign and malignant focal lesions of the lung is a hot and difficult problem in daily chest imaging. The purpose of our study was to evaluate the potential of intravoxel incoherent motion (IVIM)–derived parameters as well as apparent diffusion coefficient (ADC) in differentiating solitary pulmonary lesions. The results demonstrate that IVIM-DWI could be more helpful for distinguishing malignant from benign lesions in lung. D has the best diagnostic efficiency.

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