Table 5.
Irradiation dose of OAR: mean (SD).
| OAR | Category | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| D 1% (Gy) | D mean (Gy) | V 5% | V 10% | V 20% | V 30% | V 40% | V 50% | V 80% | |
| Left lens | |||||||||
| Tomo | 4.75 (0.88) | 3.67 (0.57) | 100 (0) | 69.90 (36.35) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| VMAT | 4.72 (0.50) | 4.31 (0.50) | 100 (0) | 100 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| 3D-CRT | 3.34 (0.94) | 2.92 (0.92) | 93.49 (10.66) | 34.19 (44.71) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Tomo | 4.86 (0.97) | 3.83 (0.64) | 100 (0) | 78.17 (34.88) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Right lens | |||||||||
| VMAT | 4.92 (0.59) | 4.22 (0.49) | 100 (0) | 100 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| 3D-CRT | 3.79 (1.18) | 3.11 (0.99) | 99.50 (1.12) | 51.10 (47.55) | 0 (0) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| Tomo | 23.75 (3.93) | 11.60 (2.39) | 100 (0) | 96.80 (4.47) | 75.64 (9.52) | 53.21 (9.37) | 37.32 (9.72) | 22.05 (9.06) | 0.03 (0.08) |
| Left eye ball | |||||||||
| VMAT | 15.19 (2.49) | 7.21 (1.30) | 100 (0) | 99.99 (0.02) | 45.10 (18.34) | 16.52 (10.00) | 4.95 (3.80) | 0.65 (0.67) | 0 (0) |
| 3D-CRT | 28.58 (7.32) | 7.58 (1.79) | 98.42 (2.24) | 69.77 (22.76) | 31.89 (10.41) | 22.63 (9.06) | 16.30 (7.55) | 11.91 (6.85) | 4.42 (3.74) |
| Tomo | 24.79 (3.40) | 12.09 (2.09) | 100 (0) | 97.62 (3.37) | 73.99 (6.30) | 56.33 (8.13) | 40.18 (8.49) | 25.16 (7.93) | 0.29 (0.58) |
| Right eye ball | |||||||||
| VMAT | 17.72 (3.59) | 8.85 (3.26) | 100 (0) | 100 (0) | 50.21 (13.79) | 20.26 (6.20) | 7.84 (3.77) | 1.10 (1.56) | 0 (0) |
| 3D-CRT | 33.66 (3.30) | 10.17 (2.87) | 98.54 (1.13) | 75.66 (17.78) | 41.62 (12.74) | 32.40 (10.80) | 26.53 (9.87) | 21.22 (10.22) | 11.67 (6.31) |
| Tomo | 11.09 (2.55) | 4.09 (0.72) | 98.06 (4.35) | 56.32 (15.37) | 8.63 (4.63) | 1.96 (1.92) | 0.51 (0.63) | 0.20 (0.19) | 0.01 (0.01) |
| Left lung | |||||||||
| VMAT | 12.10 (2.20) | 3.80 (4.59) | 92.88 (3.70) | 45.74 (5.01) | 9.05 (2.74) | 2.10 (1.00) | 0.64 (0.50) | 0.21 (0.21) | 0 (0.01) |
| 3D-CRT | 14.56 (2.53) | 4.42 (0.90) | 72.37 (12.45) | 42.73 (11.34) | 26.87 (10.26) | 8.91 (5.09) | 1.73 (1.64) | 0.44 (0.49) | 0.02 (0.04) |
| Tomo | 13.41 (3.20) | 4.31 (0.83) | 98.25 (3.81) | 56.84 (14.69) | 12.01 (6.10) | 3.63 (3.03) | 1.31 (1.35) | 0.48 (0.54) | 0.01 (0.01) |
| Right lung | |||||||||
| VMAT | 14.46 (2.72) | 4.08 (0.71) | 91.63 (7.84) | 49.67 (8.58) | 11.22 (4.20) | 3.62 (1.57) | 1.34 (0.80) | 0.51 (0.42) | 0.02 (0.03) |
| 3D-CRT | 17.18 (3.56) | 5.27 (1.18) | 77.95 (12.97) | 48.95 (11.38) | 33.89 (9.40) | 14.93 (6.10) | 4.77 (3.65) | 1.62 (1.83) | 0.03 (0.08) |
| Tomo | 11.18 (2.64) | 5.45 (0.90) | 100 (0) | 91.07 (8.18) | 21.44 (15.88) | 3.95 (6.94) | 1.62 (2.38) | 0.24 (0.54) | 0 (0) |
| Heart | |||||||||
| VMAT | 14.44 (6.53) | 6.85 (3.0) | 100 (0) | 86.22 (12.99) | 38.56 (33.63) | 16.88 (26.68) | 8.15 (16.49) | 4.19 (9.36) | 0.28 (0.64) |
| 3D-CRT | 17.03 (3.64) | 5.40 (1.07) | 73.36 (8.98) | 47.40 (11.08) | 36.08 (10.64) | 21.59 (13.29) | 8.07 (6.87) | 0.67 (1.04) | 0 (0) |
| Tomo | 9.24 (1.66) | 3.97 (0.91) | 95.78 (9.33) | 58.35 (21.37) | 7.07 (4.04) | 0.66 (0.76) | 0.05 (0.10) | 0 (0.01) | 0 (0) |
| Liver | |||||||||
| VMAT | 12.75 (2.68) | 4.42 (0.95) | 87.83 (9.23) | 53.87 (13.51) | 18.38 (10.56) | 4.96 (4.09) | 1.22 (1.23) | 0.47 (0.70) | 0 (0) |
| 3D-CRT | 17.07 (2.78) | 5.01 (1.08) | 69.19 (13.03) | 45.24 (11.78) | 31.54 (9.79) | 16.95 (7.54) | 4.89 (2.73) | 0.97 (0.68) | 0 (0) |
| Tomo | 8.16 (1.62) | 4.96 (0.53) | 100 (0) | 93.96 (5.04) | 9.22 (7.29) | 0.09 (0.14) | 0 (0) | 0 (0) | 0 (0) |
| Stomach | |||||||||
| VMAT | 14.60 (4.55) | 7.19 (2.56) | 96.95 (6.80) | 85.28 (19.45) | 53.20 (31.90) | 18.75 (19.52) | 4.88 (5.70) | 1.20 (1.83) | 0 (0) |
| 3D-CRT | 17.54 (5.30) | 6.43 (2.62) | 81.30 (17.83) | 57.95 (21.38) | 44.47 (17.91) | 20.90 (14.30) | 7.06 (6.97) | 4.10 (5.51) | 0 (0) |
| Tomo | 11.25 (2.39) | 6.52 (1.30) | 100 (0.01) | 99.28 (1.60) | 39.70 (23.27) | 4.91 (4.20) | 0.21 (0.31) | 0 (0) | 0 (0) |
| Left kidney | |||||||||
| VMAT | 7.62 (4.82) | 3.61 (2.09) | 92.09 (9.99) | 36.37 (36.44) | 9.26 (19.08) | 1.81 (3.49) | 0.24 (0.46) | 0 (0) | 0 (0) |
| 3D-CRT | 14.45 (6.42) | 3.33 (1.27) | 70.35 (16.60) | 19.05 (14.56) | 12.44 (13.79) | 9.02 (11.44) | 3.49 (4.87) | 1.51 (2.14) | 0 (0) |
| Tomo | 9.43 (1.46) | 6.15 (0.78) | 100 (0) | 99.82 (0.40) | 29.92 (9.91) | 0.61 (1.08) | 0 (0) | 0 (0) | 0 (0) |
| Right kidney | |||||||||
| VMAT | 5.93 (2.22) | 3.50 (1.75) | 92.61 (9.53) | 39.47 (35.46) | 6.17 (13.55) | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
| 3D-CRT | 13.48 (3.78) | 4.21 (0.56) | 78.08 (17.11) | 35.52 (8.48) | 25.11 (8.49) | 10.41 (7.29) | 1.34 (2.24) | 0.34 (0.76) | 0 (0) |
V n%: n% prescription dose delivered to percent volume.