TABLE 7.
HDR brachytherapy TPS source validation and dose calculation tests
| Test description | Frequency | Tolerance recommended (required) | Required test |
|---|---|---|---|
| Source model dataI | C, A a | Exact | ✓ |
| Source decay (if possible)II | C, SE | 1% | ✓ |
| Plan normalization/weighting/scalingIII | C | Functional | ✓ |
| Dose calculation gridIV | C | Functional | |
| Point dose calculation (single source)V | C, A a | 2% (3%) | ✓ |
| Point dose calculation (multisource)V | C | 3% (5%) | |
| Dose display (absolute and relative)VI | C | Functional | |
| DVH calculationVII | C | Functional | ✓ |
Abbreviations: A, annual; C, commissioning; SE, source exchange.
a
Perform either test––see discussion in 8.2.5.