Table 2 Characteristics of 207 Ears with CAS based on HRCT.
From: Congenital Aural Stenosis: Clinical Features and Long-term Outcomes
Cholesteatoma | No cholesteatoma | Total (range) | ||||
|---|---|---|---|---|---|---|
Stage I&II | Stage III | Stage IV | Subtotal | |||
No. | 41 | 51 | 21 | 113 | 94 | 207 |
Stenosis of EAC, mean ± SD, mm | 2.6 ± 1.0 | 3.5 ± 1.1 | 4.6 ± 1.5 | 3.4 ± 1.3 | 2.9 ± 1.0 | 3.1 ± 1.2 (1–9) |
1 mm | 7 | 2 | 0 | 9 | 6 | 15 |
2 mm | 10 | 7 | 1 | 18 | 22 | 40 |
3 mm | 14 | 15 | 5 | 34 | 39 | 73 |
4 mm | 10 | 18 | 3 | 31 | 23 | 54 |
>4 mm | 0 | 9 | 12 | 21 | 4 | 25 |
Jahrsdoerfer score, mean ± SD | 8.2 ± 1.6 | 7.9 ± 1.5 | 6.1 ± 1.5 | 7.7 ± 1.7 | 8.6 ± 1.2 | 8.1 ± 1.6 (4–10) |
