CT scan findings | Frequency (n = 31) | Percent |
Middle ear and mastoid opacity, intact bony trabeculae and ossicles | 5 | 16.1% |
Lost trabeculae and preserved ossicles | 7 | 22.6% |
Eroded ossicles | 2 | 6.45% |
Cortex erosion and subcutaneous extension | 15 | 48.4% |
Intracranial extension | 2 | 6.45% |