Multiparametric magnetic resonance imaging in differentiating benign and malignant sinonasal masses: A prospective study and literature review

Table 2 Diffusion-weighted imaging, intravoxel incoherent motion imaging, and diffusion kurtosis imaging parameters of benign and malignant sinonasal masses, mean ± SD

Parameters	Benign lesion	Malignant lesion	P value
ADC (× 10-3 mm2/second)	1.77 ± 0.45	1.06 ± 0.32	0.000
Dt (× 10-3 mm2/second)	1.07 ± 0.38	0.76 ± 0.33	0.015
Dx (× 10-3 mm2/second)	30.49 ± 56.15	11.86 ± 16.82	0.109
f	0.23 ± 0.09	0.17 ± 0.07	0.070
Dapp (× 10-3 mm2/second)	1.59 ± 0.54	1.15 ± 0.50	0.030
Kapp	0.53 ± 0.32	1.01 ± 0.39	0.001

ADC: Apparent diffusion coefficient; Dapp: Apparent diffusion coefficient derived from diffusion kurtosis imaging; Dt: True diffusion coefficient; Dx: Pseudodiffusion coefficient; f: Perfusion fraction; Kapp: Apparent kurtosis coefficient.