Electron arc therapy treatment planning verification with alanine/EPR dosimetry.
Alanine/EPR dosimetry was applied to measure dose distributions during electron arc therapy treatments generated by electron beams moving isocentrically over a stated arc. Alanine-polyethylene pellets, prepared at ISS according to the NIST recipe, inserted in a homogeneous cylindrical and anthropomorphic phantoms, were used. Preliminary, alanine response to static electron beams in the (6-20) MeV nominal energy range was studied. Then alanine dosimetry was applied to determine the dose versus the gantry angle at a reference point in a cylindrical homogeneous phantom. Finally, arc therapy treatment planning verification was performed in anthropomorphic phantom.
De Angelis
C
C
Physics Laboratory, Istituto Superiore di Sanità, Rome, Italy. deangelis@axiss.iss.infn.it
Mattacchioni
A
A
Onori
S
S
Aragno
D
D
de Paula
U
U
Panichelli
V
V
D000409:Alanine / Q000528:radiation effects; D004578:Electron Spin Resonance Spectroscopy / Q000379:methods*; D004583:Electrons / Q000627:therapeutic use*; D006801:Humans; D019047:Phantoms, Imaging; D020959:Polyethylene; D011880:Radiotherapy Planning, Computer-Assisted / Q000379:methods*; D011882:Radiotherapy, High-Energy
D020959:Polyethylene; D000409:Alanine