| plain CT | T1 weighted MRI | T2 weighted MRI | cntrast CT | Gd-DTPA MRI | |
|---|---|---|---|---|---|
| astrocytoma | irregular LDA | LOW | some high | - | - |
| glioblastoma | Cyst | iso-low | HIGH | ring enhancement | ring enhancement |
| ependymoma | iso-low | iso-low | LOW | HIGH | |
| oligodendroglioma | Calcification Cyst | LOW | HIGH | even moderate | even moderate |
| medulloblastoma | iso-high | LOW | HIGH | even enhanced | |
| Meningioma | some high | some low | HIGH | even enhanced | |
| Pituitary adenoma | iso-low | LOW | HIGH | less enhanced lesion | less enhanced lesion |
| Crainopharingioma | calcification | LOW | HIGH | irregular enhanced | |
| Germ cell tumor | HIGH | ISO | ISO | even enhanced | |
| Lymphoma | iso-high | iso-low | HIGH | even enhance | |
| Neurinoma | iso-low | LOW | HIGH | even enhanced | |
| METASTATIC | LOW | LOW | HIGH | ring enhancement | ring enhancement |