Lab 5 Resource Sheet - Humerus Flashcards
1
Q
positioning of patient and devices used
A
supine B-HR styrofoam block placed under the arm so that it's parallel with the beam arm away from the body knee sponge
2
Q
technique
A
SAD
3
Q
machine and energy
A
6 MV
4
Q
field arrangement
A
POP AP/PA
5
Q
depth of treatment
A
midplane
6
Q
scanning borders
A
Superior: 5 cm above the clavicle
Inferior: Below the joint space to include the elbow
7
Q
field borders and MLC blocking
A
Inferior: 5.5 cm inferior to the tumor
Superior & Laterals: 1.5cm block around the bone and 1.5 cm flash medial to the tumor
8
Q
prescription
A
180 cGy/fx x 25 fx = 4500 cGy