Table 2.
Image features of 33 adult UTGs
| Characteristics | No. (%) of patients |
|---|---|
| Location of tumors | |
| Confined in the thalamus | 9 (27.3) |
| Extension to the brainstem | 12 (36.4) (including 4 extensions to the basal ganglia or internal capsule and 1 extension to the contralateral thalamus) |
| Extension to the contralateral thalamus | 3 (9.1) (including 1 extension to the brainstem and 1 extension to the internal capsule) |
| Extension to the basal ganglia and/or internal capsule | 14 (42.4) (including 4 extensions to the brainstem, 1 extension to the contralateral thalamus, and 1 extension to the habenular commissure) |
| Cystic changes | |
| Yes | 9 (27.3) |
| No | 24 (72.7) |
| T1 and T2 signals | |
| Hypointense T1 and hyperintense T2 | 14 (42.4) |
| Hypointense T1 and mixed T2 | 2 (6.1) |
| Mixed T1 and hyperintense T2 | 11 (33.3) |
| Mixed T1 and T2 | 6 (18.2) |
| Enhancement | |
| Yes | 30 (90.9) |
| No | 3 (9.1) |