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Table 1 Mean (standard deviation) of intrafraction prostate motion

From: Prostatic displacement during extreme hypofractionated radiotherapy using volumetric modulated arc therapy (VMAT)

 

Right-left (mm)

Superior-inferior (mm)

Anterior-posterior (mm)

pHART7 and 8 30 patients (8Gy per fraction) VMAT

0.03 (1.23)

0.18 (1.55)

0.37 (1.95)

pHART6 25 patients (8Gy per fraction) IMRT

0.27 (1.26)

0.30 (1.46)

0.79 (1.99)

Previous Study* (7Gy per fraction) IMRT

0.03 (0.61)

0.21 (1.50)

0.86 (1.73)

Previous study** (2 Gy per fraction)

0.14 (0.92)

0.45 (1.27)

0.72 (1.80)

  1. *P. Cheung et al. Int. J. Radiation Oncology Biol. Phys., Vol. 62, pp. 418–425, 2005.
  2. **H. Quon et al. Clinical Oncology, Vol. 24, pp. 640-645, 2012.