Radiation Therapy Crossword Puzzle

QUESTIONS LIST:

• linear accelerator: machine used to treat cancer patients
• sim: ct machine used specifically to prepare patients for treatment
• odi: projected ruler from gantry head to patient to measure ssd
• ssd: measurement from source of radiation (target) to skin
• pendant: controls couch and gantry movements
• leveling: using three points or tattoos to align patient
• shift: movement from tattoo to get to the isocenter location
• couch kick: rotation of the couch from 0 degrees. it can be done after imaging.
• field light: the light displayed from the gantry head.
• mlcs: smaller metal blocks to collimate treatment field to specific/unique shapes
• vertical: moves the couch in the up and down motion.
• longitutidinal : moves the couch in an in and out motion.
• orthogonal pair: kv images taken at angles 90 degrees apart for image matching prior to treatment
• vmat: imrt treatments with gantry motion
• portal image: images taken from the mv source to confirm treatment field
• srs: very high dose to tumor within brain treated in 1 fraction
• surface guided radiation therapy: uses an optical system to track the patient’s surface
• dibh: treatment only occurs while patient is holding their breath
• megavoltage: the energy range that is used for radiation treatments
• cbct: imaging performed on the linac to match the patient using 3d images similar
• to a ct scan