Table 2 Location and SPECT/CT features of RTT
Region | Number | SPECT uptake level | CT finding | ||||
|---|---|---|---|---|---|---|---|
Low-uptake | Moderate-uptake | High-uptake | Type I | Type II | Type III | ||
I | 37 | 5 | 8 | 24 | 4 | 12 | 21 |
II | 11 | 2 | 3 | 6 | 0 | 4 | 7 |
III | 10 | 1 | 5 | 4 | 1 | 2 | 7 |
IV | 17 | 2 | 5 | 10 | 5 | 3 | 9 |
V | 3 | 0 | 2 | 1 | 0 | 0 | 3 |
VI | 2 | 0 | 1 | 1 | 0 | 0 | 2 |
Total | 80 | 10 | 24 | 46 | 10 | 21 | 49 |