Table 2 Comparison of detection rate between spectral CT combined with perfusion scanning and conventional perfusion scanning
Scanning method | Conventional perfusion scanning | Spectral CT combined with perfusion scanning | |
|---|---|---|---|
Perfusion scanning and 70 keV single energy image | Perfusion scanning and best single energy image | ||
Detection rate | 30(37) 82.8% | 47(52) 90.3% (Arterial phase) | 50(52) 96.2% (Arterial phase) |
43(52) 83.1% (venous phase) | 44(52) 84.6% (venous phase) | ||