MR imaging characteristics of patients with primary intracranial sarcoma, DICER1-mutant
| MR Imaging Characteristic | Finding |
|---|---|
| Size (cm) | Anteroposterior dimension, 4.25 cm (SD, 2.76) |
| Transverse dimension, 3.79 cm (SD, 2.08) | |
| Craniocaudal dimension, 4.37 cm (SD, 2.5) | |
| Location | |
| Side | 4 right, 3 left |
| Cortical/deep | 7 cortical/subcortical, 1 hypothalamic |
| Cortical lobe | 4 parietal, 2 frontal, 1 temporal/insula |
| Hemorrhage | |
| Tumor | 7/7 hemorrhage on SWI |
| 8/8 hemorrhage of T1WI | |
| Extra-axial | 2 SDH |
| 2 SAH | |
| Diffusion restriction | 3 patients |
| Enhancement | |
| Presence | 8/8 present |
| Pattern | 5 solid homogeneous, 2 heterogeneous, 1 peripheral |
| Extent | 5 > 75% enhancement; 2, 25%–75%; 1 < 25% |