Table 6 Relationship between tonsilllotliths detected on panoramic rediographs and their calsification level on CT
Calsifide level on CT (HU) | Number of patients detected by CT | Number of patients detected by PR | Detection rate by PR (%) |
|---|---|---|---|
<200 | 51 | 0 | 0 |
200-300 | 44 | 0 | 0 |
300-400 | 34 | 5 | 14.7 |
400-500 | 34 | 7 | 20.1 |
500-600 | 19 | 4 | 21.1 |
600-700 | 10 | 4 | 40.0 |
700-800 | 8 | 3 | 37.5 |
800-900 | 6 | 3 | 50 |
900-1000 | 3 | 1 | 33.3 |
100-1100 | 3 | 1 | 33.3 |
1100-1200 | 3 | 2 | 66.7 |
>1200 | 7 | 5 | 71.4 |
Total | 222 | 35 | 15.8 |