This study aimed to evaluate the value of intravoxel incoherent motion (IVIM) in the differentiation between benign and malignant sinonasal lesions and to compare the diagnostic performance of IVIM with conventional diffusion-weighted imaging (DWI). Our preliminary study shows that ADC, D and f values may be considered as discriminating markers for identifying benign and malignant sinonasal lesions. The combination of D and f values demonstrates significantly higher sensitivity, specificity and accuracy than the ADC value, revealing that IVIM appears to be a more valuable tool than conventional DWI for distinguishing benign from malignant sinonasal lesions.
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