| MRI findings |
Score |
| Tumor size |
<2 cm |
2-4 cm |
>4 cm |
| Maximum sagittal diameter |
1 |
2 |
3 |
| Maximum coronal diameter |
1 |
2 |
3 |
| Relation with surrounding structure |
|
|
|
| Below clinoidal line |
1 |
|
|
| Reach foramen of Monro |
1 |
|
|
| Reach mammillary body |
1 |
|
|
| Tumor composition |
|
|
|
| |
cystic only |
multi-cystic |
mixed |
solid only |
| |
0 |
1 |
2 |
3 |
| Grade |
|
Score |
N |
|
| Grade I |
|
2 |
0 |
|
| Grade II |
|
3–5 |
38 |
|
| Grade III |
|
6–8 |
45 |
|
| Grade IV |
|
9–11 |
16 |
|
| Grade V |
|
12 |
1 |
|
N: number of cases analyzed in the present study |