Skip to main content

Table 4 Comparisons of multi-b-value DWI derived parameters (mean ± standard deviation) of pancreatic adenocarcinoma with tumor characteristics

From: Intravoxel incoherent motion DWI of the pancreatic adenocarcinomas: monoexponential and biexponential apparent diffusion parameters and histopathological correlations

Parameters

Grades of differentiation

Tumor locations

Tumor grades

lymph node status

well/moderately differentiated

poorly differentiated

P

Head

Elsewhere in pancreas

P

T1/T2

T3/T4

P

Present

Absent

P

ADC20 (×10−3mm2/s)

4.15 ± 2.24

3.92 ± 2.13

0.849

4.05 ± 2.12

4.13 ± 2.35

0.901

4.24 ± 2.78

4.06 ± 2.04

0.846

3.97 ± 2.37

4.17 ± 2.09

0.419

ADC50 (×10−3mm2/s)

2.62 ± 1.69

2.62 ± 1.23

0.665

2.44 ± 1.36

2.87 ± 1.83

0.358

3.04 ± 1.33

2.50 ± 1.65

0.098

2.64 ± 1.79

2.60 ± 1.40

0.897

ADC100 (×10−3mm2/s)

2.03 ± 1.01

1.77 ± 0.65

0.499

1.89 ± 0.71

2.06 ± 1.18

0.954

2.19 ± 0.81

1.88 ± 0.96

0.107

1.95 ± 0.96

1.97 ± 0.92

0.775

ADC200 (×10−3mm2/s)

1.89 ± 0.74

1.77 ± 0.29

0.460

1.86 ± 0.51

1.85 ± 0.82

0.599

2.10 ± 0.44

1.79 ± 0.70

0.060

1.93 ± 0.79

1.81 ± 0.53

0.827

ADC400 (×10−3mm2/s)

1.73 ± 0.49

1.68 ± 0.19

0.768

1.69 ± 0.35

1.76 ± 0.52

0.811

1.80 ± 0.27

1.70 ± 0.46

0.496

1.74 ± 0.43

1.70 ± 0.43

0.732

ADC600 (×10−3mm2/s)

1.63 ± 0.49

1.57 ± 0.23

0.941

1.53 ± 0.28

1.73 ± 0.57

0.320

1.73 ± 0.29

1.59 ± 0.46

0.226

1.65 ± 0.51

1.58 ± 0.36

0.662

ADC800 (×10−3mm2/s)

1.51 ± 0.36

1.44 ± 0.19

0.486

1.43 ± 0.26

1.57 ± 0.40

0.235

1.60 ± 0.27

1.46 ± 0.34

0.256

1.51 ± 0.29

1.47 ± 0.35

0.917

ADC1000 (×10−3mm2/s)

1.22 ± 0.31

1.14 ± 0.17

0.506

1.16 ± 0.23

1.25 ± 0.32

0.203

1.21 ± 0.17

1.20 ± 0.30

0.880

1.18 ± 0.29

1.21 ± 0.27

0.337

ADCtotal (×10−3mm2/s)

1.38 ± 0.29

1.35 ± 0.16

0.720

1.34 ± 0.22

1.43 ± 0.31

0.450

1.47 ± 0.20

1.36 ± 0.27

0.399

1.37 ± 0.19

1.38 ± 0.30

0.387

ADCfast (×10−3mm2/s)

6.98 ± 6.28

4.81 ± 2.38

0.326

6.87 ± 6.49

5.70 ± 3.88

0.612

8.89 ± 9.15

5.58 ± 3.74

0.154

5.63 ± 3.6

6.96 ± 6.67

0.634

ADCslow (×10−3mm2/s)

0.86 ± 0.32

0.81 ± 0.33

0.658

0.80 ± 0.31

0.91 ± 0.33

0.343

0.86 ± 0.37

0.84 ± 0.31

0.689

0.80 ± 0.36

0.88 ± 0.29

0.313

f (%)

0.42 ± 0.15

0.42 ± 0.14

0.941

0.41 ± 0.16

0.43 ± 0.13

0.653

0.43 ± 0.17

0.42 ± 0.14

0.854

0.43 ± 0.16

0.41 ± 0.14

0.562

  1. ADC indicates apparent diffusion coefficient; IVIM, intravoxel incoherent motion; SD, standard deviation
Back to article page

Cancer Imaging

ISSN: 1470-7330

Contact us