Classification of Neuroradiologic Abnormalities
| Classification and Abnormality | Number |
|---|---|
| No referral required | |
| Chronic sinusitis | 21 |
| Arachnoid cyst | 2 |
| Frontal venous angioma | 2 |
| Mega cisterna magna | 2 |
| Ventricular asymmetry | 1 |
| Chronic sinusitis with pineal cyst | 1 |
| Routine referral required | 6 |
| Acute sinusitis | 5 |
| Focal white matter lesion of uncertain etiology | 3 |
| Tonsillar ectopia | 1 |
| Hypoplasia pons | 1 |
| Petrous apex lesion | 1 |
| Acute sinusitis with arachnoid cyst | |
| Urgent referral required, cerebellar tonsil lesion uncertain etiology | 1 |
Note.—Abnormalities were detected on 225 conventional research brain MR images in a cohort of neurologically healthy children.