2624-2625 / 3581
Prone vs Supine
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N= 19 pts
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Planning CT w/ full bladder in prone and supine positions
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Dose prescription: 45 Gy / 25 fr
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DVH for small bowel: V5Gy +5 +5+….V45Gy
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V5 and V10 : small bowel volume >> in supine position
(p<0.001)
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V20….V45 : No differences
Drzymala et al., BJR 2009