MR imaging abnormalities in congenital or developmental neuropathic strabismus
| MR Imaging Findings | Number of Patients (n = 112) |
|---|---|
| Ocular motor nerve abnormalities | 98 (88%) |
| CNIV aplasia | 71 (63%) |
| CNVI aplasia or hypoplasia | 23 (21%) |
| CNIII aplasia or hypoplasia | 3 (3%) |
| Combined CNIII hypoplasia and CNVI aplasia | 1 (1%) |
| Orbital abnormalities | 9 (8%) |
| Superior oblique hypoplasia | 4 (4%) |
| Medial rectus hypoplasia | 1 (1%) |
| Inferior rectus hypoplasia | 1 (1%) |
| Lateral rectus hypoplasia | 1 (1%) |
| Superior rectus hypertrophy | 1 (1%) |
| Fibrotic mass | 1 (1%) |
| Brain abnormalities | 5 (4%) |
| Periventricular leukomalacia | 4 (4%) |
| Periventricular heterotopia | 1 (1%) |