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Treatment Planning


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Created by: 100001400829352
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tissueWhat type of corrections must be made to account for bone, _____ and muscle when doing calculation?30true
LengthCalculate the Gap: Field 1- Length = 17 cm, Width = 6 cm, Depth = 3 cm, SSD = 92 cm; Field 2- _____ = 15 cm, Width = 12.5 cm, Depth = 3 cm, SSD = 91 cm.40true
linearThe 50% isodose line in low energy beams like Cobalt 60 or the isodose line at a depth of 10 cm for higher energy beams used in modern _____ accelerators (Mosby’s RT Study Guide, pg. 101).51true
Wedge AngleAnswer: WA = 90 – (Hinge angle/2) (RT Essentials, pg. 135)60false
diseaseContains a margin for subclinical extensions of the _____.70true
Set-upsMonitor Unit Calculations for SAD (Isocentric) _____ (TPR)80true
Mayneord F-factorAnswer: (SSD1+ d)^2 / (SSD1+ Dmax )^2 ×(SSD2 )+ Dmax )^2/(SSD2+ d)^2 *New PDD = Old PDD x Mayneord F-factor (W/L, pg. 508).90false
factorsMU= (Prescribed Dose) / (RDR×ISCF×Sc×TAR×Other _____) (W/L, pg. 511).101true
specifiedThe dose rate of the machine; it is the amount of radiation “exposure” produced by a treatment machine or source as specified at a reference field size and a _____ reference distance. (W/L, pg. 496).111true
SquareEquivalent _____= (4(L ×W)) / (2(L +W)) (W/L, pg. 498).121true
half-lifeWhat is the _____ of gold-198?130true
calculation)/100TD= (Given dose x PDD at depth of _____ (W/L, pg. 509).141true
patient’sThe measurement of the _____ thickness from the point of beam entry to the point of beam exit (W/L, pg. 494).161true
therapistCommunication tool between the radiation oncologist and the treatment planning and delivery team (medical dosimetrist and radiation _____) and provides the information required to administer the appropriate radiation treatment (W/L, pg. 493).171true
purposeWhat is the _____ of bolus?180true
lengthA = (0.33mg/cm) x (active _____ of source in cm)201true
patientWhat are the 80% and 90% isodose lines for a _____ treated with a 16 MeV electron beam?210true
FactorInverse Square Correction _____ (ISCF) [for SSD Set-ups]220true
measuredRefers to the energy deposited at a specific point in a medium. The dose is measured at a specific point (in a patient or phantom) and is commonly _____ in Gray (Gy). (W/L, pg. 493).231true
surfaceThe distance beneath the skin _____ where the prescribed dose is to be delivered (W/L, pg. 494)251true