Table 1 Literature dose constrains for IMRT.
From: Feasibility study of volumetric modulated arc therapy for the treatment of retroperitoneal sarcomas
Author | n° cases | preop | postop | dose to PTV (Gy) | dose constraints (Gy) | |||
|---|---|---|---|---|---|---|---|---|
contralateral kidney | small bowel | spinal cord | liver | |||||
Tzeng [26] | 16 | 16 | 0 | 45 ± 12,5 | < 23 | < 45 | < 45 | < 33 |
54 to <20 cc | ||||||||
Bossi [13] | 18 | 18 | 0 | 50 | < 10 to 50% | V55Gy < 50% | < 48 | V50Gy < 33% |
< 50 | V30Gy < 100% | |||||||
Koshy [14] | 11 | 9 | 2 | 45-50,4 | 12 to 100% | < 45 | ||
15 to 50% | D75% 48 | V40Gy < 50% | ||||||
D50% 50 | V30Gy < 100% | |||||||
Present study | 10 | 6 | 4 | 45-50 | < 12 | < 45-50 | < 45 | |
V40Gy <30% | V40Gy <30% | |||||||
V30Gy <50% | V30Gy <40% | |||||||