Abstract #0442

Diagnostic value of intravoxel incoherent motion (IVIM) for differentiating benign and malignant thyroid nodules

hui Tan¹, jun CHEN¹, YUN-fei ZHA¹, liang ZHANG¹, jing LU¹, Chang-sheng LIU¹, and hui LIN²

¹Renmin Hospital of Wuhan University, wuhan, China, People's Republic of, ²GE healthcare, shanghai, China, People's Republic of

To preliminary explore the value of intravoxel incoherent motion (IVIM) in the differention between benign and malignant thyroid lesions, 45 patients with 56 thyroid nodules underwent preoperative IVIM (b –1000 s/mm²). Data was postprocessed by IVIM model for quantitation of apparent diffusion coefficient (ADC), perfusion fraction f, diffusivity D and pseudo diffusivity D*. Significant intergroup difference was observed in ADC, D, D*, and f, the f value is the most valuable parameter in identifying the malignant from benign nodules.The IVIM sequence has potential to differentiate the benign from malignant thyroid nodules.

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