Temporal bone CT findings within the study group
| Individual Temporal Bones (Sides) | |
|---|---|
| Internal auditory canal diverticulum | |
| Yes | 64 (11%) |
| No | 497 (89%) |
| Enlarged vestibular aqueduct | |
| Yes | 43 (8%) |
| No | 518 (92%) |
| Labyrinthine dysplasia | |
| Yes | 66 (12%) |
| No | 495 (88%) |
| Cochlear cleft | |
| Yes | 205 (37%) |
| No | 356 (63%) |
| Otospongiosis | |
| Yes | 2a (0.4%) |
| No | 559 (99.6%) |
↵a Single patient who also had clinical diagnosis of bilateral otospongiosis.