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Assessment of substances for contrast and scattering effect.
| Criteria | Wheat Flour | Corn Starch | Talcum Powder | 32% Fat Bovine Milk/i.v. Lipid Solution | |
|---|---|---|---|---|---|
| 1 | Contrast to the surrounding tissues | 4 | 3 | 2 | 5 |
| 2 | Visible limit compared to the surrounding tissues | 5 | 3 | 3 | 5 |
| 3 | Easy to identify from the surrounding tissues (even at small sizes) | 5 | 3 | 2 | 5 |
| 4 | Homogeneity | 3 | 2 | 2 | 5 |
| Total | 17 | 11 | 9 | 20 |
