TABLE 2.
Near-infrared signal to background ratio of primary tumor specimen
| Case No. | Max Tumor Diameter on Preop MRI (mm) | Ratio of T1 Tumor Intensity/Normal Brain | T2 FLAIR Edema on Preop MRI | Ki-67 (no. mitoses/hpf) | Endoscope | Time From ICG Injection to Camera Visualization (hrs) | SBR | Inverse SBR |
|---|---|---|---|---|---|---|---|---|
| Meningioma WHO Grade I | ||||||||
| 1S | 34.0 | 1.6 | 0 | 8 | 22.2 | 6.05 | ||
| 13S | 33.0 | 2.7 | 0 | 5 | 22.1 | 5.23 | ||
| 9 | 23.9 | 2.9 | 1 | 3 | 21.4 | 0.15 | Yes | |
| 21 | 85.4 | 1.5 | 1 | 2 | 22.8 | 8.80 | ||
| 22 | 41.8 | 2.2 | 1 | 2 | 27.0 | 0.30 | Yes | |
| 24 | 49.3 | 1.7 | 0 | 3 | 21.8 | 5.35 | ||
| 29 | 39.8 | 1.8 | 0 | 3 | 22.8 | 0.50 | Yes | |
| 31 | 19.8 | 1.9 | 0 | 1 | 18.8 | 6.58 | ||
| 37 | 38.4 | 2.6 | 1 | 1 | 18.0 | 7.79 | ||
| 40 | 45.2 | 2.0 | 1 | 1 | 25.6 | 6.67 | ||
| 1 | 15.2 | 1.4 | 0 | 4 | Yes | 23.4 | 3.64 | |
| 32 | 20.1 | 2.0 | 0 | 1 | Yes | 23.7 | 4.42 | |
| 10 | 8.7 | 2.0 | 1 | 1 | Yes | 26.4 | 2.51 | |
| 12 | 61.6 | 1.1 | 1 | 24.9 | 4.56 | |||
| 33 | 24.3 | 2.0 | 0 | 1 | Yes | 28.3 | 0.30 | Yes |
| Meningioma WHO Grade II | ||||||||
| 6S | 70.0 | 1.9 | 0 | 19.1 | 5.08 | |||
| 17 | 17.4 | 1.5 | 0 | 20 | Yes | 24.0 | 4.98 | |
| 3 | 22.3 | 2.7 | 1 | 5 | 20.6 | 7.27 |