Number of incorrect diagnoses in the scan review and % correct diagnoses for the 1123 histologically verified cases
| Diagnosis | Histologically verified |
No incorrect | % Correct |
| Neuroepithelial | 540 | 12 | 97.78% |
| Meningeal | 259 | 14 | 94.59% |
| Sellar | 180 | 1 | 99.44% |
| Cranial nerve | 107 | 0 | 100.00% |
| Lymphoma | 19 | 2 | 89.47% |
| Cysts | 15 | 0 | 100.00% |
| Germ cell | 2 | 0 | 100.00% |
| Extensions | 1 | 0 | 100.00% |
| All primary tumours | 1123 | 29 | 97.41% |