Exclusion criteria
| Exclusion Parameters | Control Group | Macrocyclic GBCA Group | Linear GBCA Group |
|---|---|---|---|
| Initially selected | 57 | 64 | 61 |
| Age younger than 2 years | 3 | 5 | 6 |
| Renal dysfunction | 2 | 0 | 0 |
| Hepatic dysfunction | 3 | 2 | 2 |
| Lesion in the cerebellum, midbrain, corpus striatum, or pulvinar of the thalamus | 3 | 2 | 1 |
| Missing documentation of the prior contrast agent | 8 | 11 | 7 |
| Missing or unsatisfactory T1WI | 2 | 2 | 3 |
| Missing or unsatisfactory SWI | 3 | 4 | 3 |
| Different sequences and parameters between comparison T1WIs | 0 | 5 | 6 |
| Final No. of groups | 33 | 33 | 33 |