Table 1 Preoperative CT findings
From: A comparative analysis of canal wall reconstruction mastoidectomy over canal wall down mastoidectomy
SN | CT findings | No.of patients n=49 | % |
|---|---|---|---|
1 | Sclerosis of mastoid air cells | 47 | 95.91% |
2 | Soft tissue shadow (cholesteatoma, granulation, polyp) | 49 | 100% |
3 | Malleus erosion | 28 | 57.14% |
4 | Incus erosion | 32 | 65.31% |
5 | Stapes erosion | 2 | 4.08% |
6 | Lateral cortex breach | 8 | 16.33% |
7 | Tegmen breach | 3 | 6.12% |
8 | Fallopian canal erosion | 5 | 10.20% |
9 | LSSC erosion | 6 | 12.24% |
10 | Sinus plate erosion | 9 | 18.37% |
11 | Dural plate erosion | 2 | 4.08% |