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 |