Investigating treatment dose error due to beam attenuation by a carbon fiber tabletop

Journal of Applied Clinical Medical Physics

Volumn 7, Issue 3, 2006, Pages 21-27

  Myint, W Kenji ^a   Niedbala, Malgorzata ^a   Wilkins, David ^a   Gerig, Lee H ^a  

^a OTTAWA REGIONAL CANCER CENTRE   (Canada)

Author keywords

Couch attenuation; Dose error; Radiotherapy

Indexed keywords

EID: 34548280321     PISSN: None     EISSN: 15269914     Source Type: Journal    
DOI: 10.1120/jacmp.v7i3.2247     Document Type: Article

References (13)

1. de Mooy LG. The use of carbon fibers in radiotherapy. Radiother Oncol. 1991;22(2):140-142.
2. Meyer J, Mills JA, Haas OC, Burnham KJ, Parvin EA. Accommodation of couch constraints for coplanar intensity modulated radiation therapy. Radiother Oncol. 2001;61(1):23-32.
3. Muthuswamy MS, Lam KL. A method of beam-couch intersection detection. Med Phys. 1999;26(2):229-235.
4. Yorke ED. The geometry of avoiding beam intersections and blocking tray collisions. Med Phys. 1989;16(2):288-291.
5. Meara SJP, Langmack KA. An investigation into the use of carbon fiber for megavoltage radiotherapy applications. Phys Med Biol. 1998;43(5):1359-1366.
6. de Ost B, Vanregemorter J, Schaeken B, Van den Weyngaert D. The effect of carbon-fiber inserts on the build-up and attenuation of high energy photon beams. Radiother Oncol. 1997;45(3):275-277.
7. Higgins DM, Whitehurst P, Morgan AM. The effect of carbon fiber couch inserts on surface dose with beam size variation. Med Dosim. 2001;26(3):251-254.
8. Butson MJ, Cheung T, Yu PKN, Webb B. Variations in skin dose associated with linac bed material at 6 MV x-ray energy. Phys Med Biol. 2002;47(2):N25-N30.
9. Carl J, Vestergaard A. Skin damage probabilities using fixation materials in high-energy photon beams. Radiother Oncol. 2000;55(2):191-198.
10. McCormack S, Diffey J, Morgan A. The effect of gantry angle on megavoltage photon beam attenuation by a carbon fiber couch insert. Med Phys. 2005;32(2):483-487.
11. Vieira SC, Kaatee RSJP, Dirkx MLP, Heijmen BJM. Two-dimensional measurement of photon beam attenuation by the treatment couch and immobilization devices using an electronic portal imaging device. Med Phys. 2003;30(11):2981-2987.
12. Sanchez-Nieto B, Nahum AE. The delta-TCP concept: A clinically useful measure of tumor control probability. Int J Rad Oncol Biol Phys. 1999;44(2):369-380.
13. Mijnheer BJ, Battermann JJ, Wambersie A. What degree of accuracy is required and can be achieved in photon and neutron therapy. Radiother Oncol. 1987;8(3):237-252.