Table 1. Patient summary.
Patient | Sex | Age (y) | Side | Size (cm) | IAC erosion | Otic capsule erosion | Cochlear aqueduct erosion | Approach | Preop | Postop | ||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
PTA (dB) | SRT (dB) | WRS (%) | PTA (dB) | SRT (dB) | WRS (%) | |||||||||
1 | M | 66 | L | 3.4 × 3.2 | Yes | No | Yes | Infralabyrinthine | 45 | 55 | 0 | 35 | 35 | 64 |
2 | M | 56 | R | 1.4 × 2.2 | Yes | No | Yes | Infralabyrinthine | 10 | 5 | 96 | 10 | 10 | 100 |
3 | M | 56 | R | 2.1 × 2.4 | No | No | No | Infracochlear | 31 | 10 | 92 | 36 | 25 | 88 |
4 | M | 43 | R | 2.0 × 2.7 | Yes | No | No | Infracochlear | 10 | 10 | 100 | 95 | NR | NR |
5 | M | 68 | R | 1.2 × 2.0 | Yes | Yes | Yes | Infracochlear | 42 | 30 | 84 | 25 | 30 | 100 |
6 | F | 16 | L | 2.2 × 1.8 | No | No | No | Infracochlear | 8 | 10 | 100 | 12 | 15 | 100 |
7 | M | 73 | R | 2.6 × 2.8 | Yes | No | Yes | Infracochlear, Infralabyrinthine | 48 | 40 | 64 | 105 | NR | NR |
8 | F | 28 | R | 2.4 × 2.9 | Yes | Yes | Yes | Infracochlear | 34 | 24 | 84 | 15 | 25 | 100 |
Abbreviations: F, female; IAC, internal auditory canal; L, left; M, male; Postop, postoperative; Preop, preoperative; PTA, pure tone averages; R, right; SRT, speech reception threshold; WRS, word recognition scores.