Table 2.
Data derived from the main published studies that have correlated apparent diffusion coefficient quantification with the pathological grade of pancreatic ductal adenocarcinomas and neuroendocrine tumors
| Study | n | b values(s/mm2) | Histotype | mean ADC value(× 10-3 mm2/s) |
| Wang et al[43] | 21 | 0, 500 | PDAC | 2.10 (WD-MD); 1.46 (PD) |
| Legrand et al[44] | 22 | Multiple1 | PDAC | 1.43 (WD); 1.94 (MD-PD) |
| Rosenkrantz et al[45] | 30 | 0, 500 | PDAC | 1.78/1.75 (WD-MD); 1.69/1.62 (PD)2 |
| Wang et al[58] | 18 | 0, 50, 500 | PanNET | 1.75 (G1); 1.00 (G3) |
| Jang et al[59] | 20 | 0, 800 | PanNET | 1.48 (G1-G2); 1.04 (G3) |
| Hwang et al[60] | 44 | Multiple3 | PanNET | 1.31 (G1); 1.08 (G2-G3) |
1
50, 200, 400, 600, 800 s/mm2;
2
Two readers;
3
0, 25, 50, 75, 100, 150, 200, 500, 800, 1000 s/mm2. n: Number of patients; ADC: Apparent diffusion coefficient; PDAC: Pancreatic ductal adenocarcinoma; WD: Well differentiated; PanNET: Pancreatic neuroendocrine tumor; MD: Moderately differentiated; PD: Poorly differentiated.