Whole Brain Treatment Comp. Flashcards
1
Q
What is the Inferior border?
A
Outer canthus to madtoid tip
2
Q
What is the Anterior and posterior border?
A
1-2cm flash
3
Q
What is a typical field size?
A
20x15
4
Q
What is Right Lat ganty and Collimator angles?
A
- Gantry 270
- Collimator 30
5
Q
Whole brain typically recieves what pallative dose?
A
300x10 cGY = 3000cGY
6
Q
How much dose would be giver per ARC
A
150cGY
Because 150cGY for Rlat and 150cGY Llat equals 300cGY
7
Q
What is Left Lat ganty and Collimator angles?
A
- Gantry 90
- Collimator 330
8
Q
What the first thing you should do when entering room after treatment
A
remove patients mask, then set gantry to 0
9
Q
What methods are used to treat?
A
Opposing laterals