Table 3 Comparison between preoperative CT findings and intraoperative findings
From: A comparative analysis of canal wall reconstruction mastoidectomy over canal wall down mastoidectomy
SN | Findings | Preoperative ct finding | % | Intraoperative finding | % |
|---|---|---|---|---|---|
1 | Sclerosis of mastoid air cells | 47 | 95.91% | 47 | 95.91% |
2 | Soft tissue mass Cholesteatoma Granulation Polyp | 49 | 100% | 49 41 34 4 | 100% 83.67% 69.39% 8.16% |
3 | Malleus head erosion | 28 | 57.14% | 31 | 63.27% |
4 | Incus erosion | 32 | 65.31% | 35 | 71.43% |
5 | Stapes erosion | 2 | 4.08% | 2 | 4.08% |
6 | Lateral cortex breech | 8 | 16.33% | 7 | 14.29% |
7 | Tegmen breach | 3 | 6.12% | 4 | 8.16% |
8 | Fallopian canal erosion | 5 | 10.20% | 4 | 8.16% |
9 | LSSC erosion | 6 | 12.24% | 7 | 14.29% |
10 | Sinus plate erosion | 9 | 18.37% | 14 | 28.57% |
11 | Dural plate erosion | 2 | 4.08% | 4 | 8.16% |