From: Relevance of MRI in prediction of malignancy of musculoskeletal system-A prospective evaluation
S.n | Criterion | Sensitivity | Specificity | PPV | NPV |
---|---|---|---|---|---|
1. | Size > 6 cm | 0.95 | 0.57 | 0.67 | 0.93 |
2. | Size >8 cm | 0.75 | 0.76 | 0.75 | 0.76 |
3. | Shape: irregular, lobulated | 0.83 | 0.76 | 0.76 | 0.83 |
4. | Margins: infiltrative | 0.91 | 0.65 | 0.70 | 0.89 |
5. | Isointensity on T1W | 0.70 | 0.76 | 0.73 | 0.74 |
6. | Slight hyperintensity on T2W | 0.95 | 0.38 | 0.58 | 0.90 |
7. | heterogeneous lesion | 1 | 0.5 | 0.64 | 1 |
8. | Peritumoral edema | 0.95 | 0.5 | 0.63 | 0.92 |
9. | Absence of multiplicity | 0.54 | 0.15 | 0.37 | 0.26 |
10. | Intratumoral necrosis | 0.87 | 0.84 | 0.84 | 0.88 |
11. | Intratumoral hemorrhage | 0.70 | 0.65 | 0.65 | 0.70 |
12. | Intratumoral calcification | 0.70 | 0.88 | 0.85 | 0.76 |
13. | Absence of Intratumoral fat | 1 | 0.07 | 0.5 | 1 |
14. | Absence of Intratumoral fibrosis | 0.87 | 0.03 | 0.45 | 0.25 |
15. | Fascia penetration | 0.83 | 0.73 | 0.82 | 0.74 |
16. | Bone changes | 0.83 | 0.84 | 0.83 | 0.84 |
17. | Neurovascular involvement | 0.83 | 0.88 | 0.86 | 0.85 |
18. | Enhancement pattern (Heterogenous) | 1 | 0.07 | 0.5 | 1 |
19. | Absence of T1 hyperintense tracts | 1 | 0.11 | 0.51 | 1 |
20. | Absence of Fluid-fluid levels | 0.83 | 0.26 | 0.51 | 0.63 |