TABLE 1.
Patient demographics and EAC bony wall defect characteristics
| No. | Age, yr | Sex | Initial Symptom | Symptom Onset | Presumed Cause | Previous Treatment | Defect Site | Defect Size (mm)a | EAC Stenosis (Gr)b |
|---|---|---|---|---|---|---|---|---|---|
| 1 | M | 40 | Otalgia upon mastication | 20 YA | Mandible condylar fracture (23 YA) | Mandible condylar fixation (20 YA) | Lt | 11.7 × 8.4 | IV |
| 2 | M | 48 | Tinnitus upon mastication | 3 YA, posttrauma | Temporal bone fracture d/t Traffic accident (3 YA) |
No | Lt | 9.1 × 5.0 | III |
| 3 | M | 38 | HL | 1 DA, posttrauma | Temporal bone fracture (13 YA) | Mandible condyle, parasymphysis fracture. ORIF (13 YA) | Rt | 4.1 × 5.4 | IV |
| 4 | M | 68 | EF | 18 MA | Spontaneous | No | Lt | 7.4 × 6.7 | IV |
| 5 | M | 75 | HL, otalgia | 2 MA | Spontaneous | No | Rt | 11.3 × 8.7 | IV |
| 6 | F | 54 | Otalgia upon mastication | ns, over 4 MA | Spontaneous | No | Rt | 3.0 × 2.4 | II |
| 7 | F | 22 | HL | 2 WA, posttrauma | EAC wall fracture (26 MA) | No | Lt | 10.2 × 5.0 | IV |
| 8 | M | 65 | Otalgia, tinnitus upon mastication | 2 MA | Radiation | Biopsy (outside hospital) and Infection control | Lt | 11.2 × 16.8 | IV |
| 9 | F | 72 | Otalgia | 3MA | Spontaneous | No | Rt | 5.7 × 10.2 | II |
| 10 | M | 71 | Otalgia, EF | 3.5YA | Spontaneous | Defect site repair using medpore (7 MA, outside hospital) | Rt | 10.1 × 7.8 | III |
aAxial: maximum diameter on CT axial cut; coronal: number of CT axial cuts covering the EAC defect ×CT axial slice thickness.
bEAC stenotic portion width/EAC width measured at a single CT axial cut with maximal TMJ bulging (Gr. I: 0–25%, Gr. II: 25–50%, Gr. III: 50–75%, Gr. IV: 75–100%).
DA, days ago; EF, ear fullness; HL, hearing loss; Lt, left; MA, months ago; ORIF, open reduction and internal fixation; Rt, right; WA, weeks ago; YA, years ago.