Table 4.
MINIMAP data collection points
| T1 mapping |
| Measurements will be obtained in (a) pre-contrast and (b) post-contrast equilibrium phases |
| 1. T1 relaxation time of the pancreas 2. T1 relaxation time of the aortic lumen |
| Extracellular volume fraction |
| Measure in the head, body, tail, and the whole pancreas |
| MRCP findings |
| 1. Before secretin a. Largest diameter of the main pancreatic duct b. Number of ectatic side-branch ducts 2. After secretin a. Largest diameter of the main pancreatic duct b. Number of ectatic side-branch ducts: i. None ii < 3 iii ≥ 3 c. Ductal stricture is present i. Yes (mark all that apply): head, body, tail ii. No d. Pancreatic ductal contoura i. Smooth ii. Mildly irregular iii. Moderate to severely irregular 3. Duodenal filling grade: 1, 2, 3, or 4 |
| 3D Volume of the Pancreas |
| Measure in the head, body, tail, and the whole pancreas |
| Diameter of the Pancreas |
| Measure in the head, body, and tail |
| DWI with ADC |
| Measure diffusion restriction on ADC map |
| Gradient echo T1-weighted Signal of Pancreas |
| 1. Pre-contrast phase: a. pancreas, b. spleen, c. paraspinal muscle 2. Post-contrast phase: a. arterial phase, b. venous phase, c. 5-minute delayed phase |
| Fat Signal Fraction (measured using T1-weighted DIXON series) |
| 1. Fat-only signal of the pancreas 2. Water-only signal of the pancreas |
| Abdominal Fat Distribution (measured using T1-weighted DIXON series) |
| 1. Visceral adipose tissue volume 2. Subcutaneous adipose tissue volume |
| MR Elastography |
| Measure stiffness in the head, body, tail, and the whole pancreas |
a
See reference publication for details. [9]