Across
- 3. shielding material that defines the "x" and "y" dimensions of beam
- 7. energy absorbed per unit mass of any material
- 8. refers to a body component on the same side of the body
- 9. unit of energy absorbed per unit mass
- 10. distance beneath the skin surface to the point of calculation
- 12. amount of radiation exposure delivered over time
- 14. removal of photons due to scatter or absorption
- 15. range of numbers displayed showing contrast on a CT image
- 16. process of delineating treatment volumes and constructing immobilization devices
- 18. used to triangulate patient position to ensure daily reproducibility
- 19. unit of output measure used by linacs to delivered a prescribed dose
Down
- 1. amount of ionization produced by photons in air per unit mass of air
- 2. shape the MLC creates during part of the total IMRT dose delivered
- 4. defined method the treatment is delivered to a patient
- 5. individual radiation treatment
- 6. documentation of verifying all treatment fields the first day of treatment
- 11. total time radiation course is delivered
- 13. set of handheld local controls that mimic those of treatment unit
- 17. tissue equivalent material used to increase skin dose