Results of GTV Delineation Following Different Philosophies for Contour Definition: Patients with Clearly CT-Defined Tumors
| Patient no. | SUVmax | GTVvis | GTV2.5 | GTV40 | GTVbg | GTVCT | GTVCTexp | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Volume (mL) | Radius* (cm) | Volume (mL) | Radius* (cm) | Volume (mL) | Radius* (cm) | Volume (mL) | Radius* (cm) | Volume (mL) | Radius* (cm) | Volume (mL) | Radius* (cm) | ||||||||
| 4 | 30.1 | 164.2 | 3.40 | 151.1 | 3.30 | 56.2 | 2.38 | 82.0 | 2.70 | 66.4 | 2.51 | 109.0 | 2.76 | ||||||
| 5 | 6.1 | 39.2 | 2.11 | 30.0 | 1.93 | 41.4 | 2.15 | 12.4 | 1.44 | 12.1 | 1.42 | 25.9 | 1.67 | ||||||
| 7 | 1.7 | 9.3 | 1.3 | — | — | 5.7 | 1.11 | 3.7 | 0.96 | 5.5 | 1.1 | 17.0 | 1.6 | ||||||
| 9 | 17.2 | 52.3 | 2.32 | 35.5 | 2.04 | 14.1 | 1.50 | 21.4 | 1.72 | 12.7 | 1.45 | 19.5 | 1.70 | ||||||
| 16 | 18.3 | 67.8 | 2.53 | 42.7 | 2.17 | 13.2 | 1.47 | 23.1 | 1.77 | 32.0 | 1.97 | 55.3 | 2.22 | ||||||
| Mean | 14.7 | 66.5 | 2.33 | 64.8 | 2.36 | 26.1 | 1.72 | 28.5 | 1.72 | 25.7 | 1.69 | 44.6 | 1.94 | ||||||
↵* Radius values were calculated from volumes as spheric radii.