Table 3 Detection of peritumoral pseudocapsule in each pathological subtype on contrast enhanced CT.
Clear cell (n = 166) | Chromophobe (n = 16) | Papillary (n = 14) | |
|---|---|---|---|
Sensitivity | 86.9% (133/153) | 57.1% (4/7) | 38.5% (5/13) |
Specificity | 61.5% (8/13) | 66.7% (6/9) | 100% (1/1) |
PPV | 96.4% (133/138) | 57.1% (4/7) | 100% (5/5) |
NPV | 28.6% (8/28) | 66.7% (6/9) | 11.1% (1/9) |