IMRT 2018

Other modalities

Tomotherapy

•

• Fan beam (40cm wide) irradiate narrow axial slice during gantry rotation and movement of couch (QA) • IMRT: Varying opening time of each leave of the 64 leave binary MLC

Binary MLC

Mackie, PMB51, 2006. The history of Tomotherapy Fenwick, PMB42, 2004. Quality assurance of a helical tomotherapy machine