Table 4.
Combinations of several MRI findings and their occurrence in PCNSL and GBM at the time of their initial evaluation
| Combinations of findings | PCNSL | GBM | p - value |
|---|---|---|---|
| • Supratentorial • Solitary infiltrative • Non-homogenous enhancement • Necrosis presence |
3 (23.1%) of 13 solitary cases (5.6% of all PCNSL) |
28 (77.8%) of 36 solitary cases (51.9% of all GBM) |
<0.001 |
| • Supratentorial • Solitary infiltrative • Non-homogenous enhancement |
4 (30.8%) of 13 solitary cases (7.4% of all PCNSL) |
34 (94.4%) of 36 solitary cases (63% of all GBM) |
<0.001 |
| • Multiple infiltrative • Homogenous enhancement |
27 (96.4%) of 28 multiple cases (50% of all PCNSL) |
0 (0%) of 18 multiple cases (0% of all GBM) |
<0.001 |
| • Diffuse infiltrative type • No necrosis |
13 cases (24.1% of all PCNSL) |
0 (0%) of all GBM cases | <0.001 |
| • Multiple infiltrative • Non-homogenous enhancement |
1(3.6%) of 28 multiple cases (1.9% of all PCNSL) |
18 (100%) of 18 multiple cases (33.3% of all GBM) |
<0.001 |
Statisticaly significant results are in bold (p less than 0.05)