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Table 1 The DKI parameters in CCRCC, AML and RO

From: Magnetic resonance diffusion kurtosis imaging in differential diagnosis of benign and malignant renal tumors

Type

MD

FA

MK

KA

RK

CCRCC

3.08 ± 0.23

0.26 ± 0.07

0.43 ± 0.08

0.57 ± 0.16

0.37 ± 0.11

AML

1.52 ± 0.24

0.23 ± 0.05

1.32 ± 0.16

1.42 ± 0.23

1.41 ± 0.29

RO

2.93 ± 0.30

0.16 ± 0.04

0.81 ± 0.08

0.86 ± 0.16

0.69 ± 0.08

P

< 0.05

> 0.05

< 0.05

< 0.05

< 0.05

  1. Note: CCRCC clear cell renal cell carcinoma, RAMF renal angiomyolipoma with minimal fat, RO renal oncocytoma, MD Mean Diffusivity, FA fractional Anisotropy, MK mean kurtosis (MK), KA kurtosis anisotropy, RK radial kurtosis
  2. The MD values were higher for RO than for AML (2.93 ± 0.30 vs.1.52 ± 0.24, P < 0.05), while comparable MD values were found between CCRCC and RO (3.08 ± 0.23 vs. 2.93 ± 0.30, P > 0.05)
  3. The MK, KA and RK values were higher for RO than for CCRCC (0.81 ± 0.08 vs. 0.43 ± 0.08, 0.86 ± 0.16 vs. 0.57 ± 0.16, 0.69 ± 0.08 vs. 0.37 ± 0.11, P < 0.05)