Gynae BT 2017

Bowel

General Remarks (uncertainties)

• Missing Clear Links between DVH parameters and Toxicity

• Bowel = Small + Large Bowel in most studies

Highly mobile organ:

•

Only  20% occupies same position during the course of treatment

 Blurring the evidence on DVH - Toxicity relations

Kavanagh BD, et al. IJROBP 2010 Muren LP. Radiother Oncol 2003 Kvinnsland Y. Radiother Oncol 2005 Hysing LB. Radiother Oncol 2006 Sanguinetti G. Radiother Oncol 2008 Fokdal L. Radiother Oncol 2005