Treatment planning techniques in pelvic irradiated patients.
Recruiting
- Conditions
- DVH, radiotherapy, prone position, belly board, gynaecologic tumor, rectal cancer, small bowel, toxicity, organs at risk, IMRTDVH, radiotherapie, buikligging, gynaecologische tumor, rectumcarcinoom, dunne darm, toxicity, risico organen.
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- Not specified
- Target Recruitment
- 50
Inclusion Criteria
1. Patients who are referred to our Radiotherapy department for pelvic irradiation for a gynaecologic or rectal malignancy;
2. Patients should be able to lie in prone position on a belly-board.
Exclusion Criteria
1. Unable to lie on a belly-board;
2. Allergic to iv-contrast;
Study & Design
- Study Type
- Observational non invasive
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method 1. Coverage of the PTV;<br /><br>2. Dmean of the small bowel (mean dose in the small bowel);<br /><br>3. V15 and V45 of the small bowel (volume of the small bowel which receives respectively 15 and 45Gy).
- Secondary Outcome Measures
Name Time Method 1. Dmean of the bladder, kidneys, sigmoid and, in case of gynaecologic patients, rectal wall;<br /><br>2. V25, V30, V35, V40 and V50 of the small bowel (volume which receives respectively 25, 30, 35, 40 and 50 Gy).