Table 2.
General planning-aims for the three external centers. *: Center A constraints for organs-at-risk (OARs) are on OARminusPTV delineations. We report dosimetric results based on entire OAR structures.
| PTVs | Center A * | Center B | Center C |
|---|---|---|---|
| D95% | ≥100% | ≥95% | |
| V95% | ≥99% | ||
| Dmax | ≤110% | ≤115% | |
| D99% | ≥93% | ≥90% | |
| D2% | ≤107% | ||
| D5% | ≤105% | ||
| Max Dose (Gy) | |||
| Spinal Cord | ≤45 | ≤45 | ≤41 |
| Spinal Cord PRV | ≤50 | ||
| Brainstem | ≤54 | ≤54 | ≤62 |
| Brain | ALARA | ≤65 | |
| Optic Nerve | ≤54 | ≤54 | ≤60 |
| Chiasm | ≤54 | ≤54 | ≤60 |
| Esophagus | ≤71.4 | ||
| Larynx | ≤71.4 | ||
| TMJoint | ≤70 | ||
| Trachea | ≤71.4 | ||
| Eye | ≤50 | ||
| Mandible-PTV | ≤70 | ||
| Mean Dose (Gy) | |||
| Parotid | <26 | <26 | <24 |
| Submandibular | <30 | <26 | |
| Oral Cavity | <20 | <30 | <45 (<35 if distal to target) |
| Pharynx | <50 | <45 | |
| Larynx | <20 | <30 | |
| Esophagus | <20 | <30 | <40 if not in PTV |
| Middle Ears | <30 | <30 | |
| Eye | <35 | ALARA | <35 |
| Glottis | <45 (<20 if distal to target) | ||
| Trachea | <40 |