Table 6 The analysis of CT and MRI findings when it comes to predicting dural based metastasis
Sensitivity | Specificity | PPV | NPV | |
|---|---|---|---|---|
Edema | 97% | 32% | 34% | 96% |
Cystic changes | 26% | 74% | 27% | 73% |
CSF cleft | 39% | 14% | 14% | 39% |
Leptomeningeal enhancement | 39% | 99% | 92% | 81% |
Dural tail | 19% | 17% | 8% | 36% |
Calcification | 10% | 60% | 8% | 64% |
Bone destruction | 48% | 92% | 68% | 83% |
Hyperostosis | 0% | 54% | 0% | 59% |