AROI-ESTRO GYN Teaching Course

Prone Versus Supine

Prone vs. supine position in endometrial cancer IMRT

47 patients; adjuvant RT

21 pts: prone

26 pts: supine

Small Bowel dosimetric and clinical results:

V10Gy

V20Gy

V30Gy

V40Gy

V45

V50 Gy

p-value

Prone

89% 69%

33%

12%

5%

0%

NS

Supine

87% 63%

26%

8%

4%

0%

Acute G1

Acute G2

Late G1

Late G3

Prone

7 pts

14 pts

7 pts

1 pts

Supine

6 pts

19 pts

5 pts

0 pts

Conclusion: no difference in dose and toxicity.

Beriwal S, et al. 2007, IJROBP