Research Article
Angiosarcoma of the Scalp and Face: A Dosimetric Comparison of HDR Surface Applicator Brachytherapy and VMAT
Table 1
Dosimetric comparison of HDR-SA brachytherapy and VMAT for organs at risk.
| | na | Median brachyb | Median VMATc | value |
| Brain Dmax | 12 | 43 Gy | 37.5 Gy | 0.021 | Brain V50% (25.5 Gy) | 12 | 194.0 cc | 6.1 cc | <0.001 | Brain V80% (40 Gy) | 12 | 1.3 cc | 0.0 cc | 0.002 | Mean lacrimal gland | 23 | 14.2 Gy | 2.9 Gy | 0.007 | Mean orbit | 23 | 14.5 Gy | 2.8 Gy | 0.004 | Mean lens | 23 | 12.3 Gy | 2.4 Gy | 0.014 | Mean cochlea | 22 | 10.6 Gy | 3.4 Gy | <0.001 | Mean parotid | 18 | 16.9 Gy | 4.3 Gy | 0.989 |
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Key: an: number, bbrachy: brachytherapy, cVMAT: volumetric-modulated arc therapy.
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