Prevalence of AM complications detected on MRI (N = 31)
| Complication | No. (%) | ||
|---|---|---|---|
| All | Children | Adults | |
| Septal destruction | 11 (35) | 5 (45) | 6 (30) |
| Inner cortical bone destruction | 4 (13) | 2 (18) | 2 (10) |
| Outer cortical bone destruction | 9 (29) | 7 (64)a | 2 (10)a |
| Intratemporal abscess | 7 (23) | 3 (27) | 4 (20) |
| Subperiosteal abscess | 6 (19) | 5 (45)a | 1 (5)a |
| Labyrinth involvement | 5 (16) | 0 (0) | 5 (25) |
| Epidural abscess | 2 (6) | 2 (18) | 0 (0) |
| Soft-tissue abscess | 2 (6) | 1 (9) | 1 (5) |
| Generalized pachymeningitis | 2 (6) | 1 (9) | 1 (5) |
| Leptomeningitis | 2 (6) | 1 (9) | 1 (5) |
| Sinus thrombosis | 1 (3) | 1 (9) | 0 (0) |
| Subdural empyema | 0 (0) | 0 (0) | 0 (0) |
↵a Significant differences between adult and pediatric subgroups (P < .05).