When treating the bladder with radiation, the bladder should be
Empty
Empty is the easiest to reproduce on a daily basis.
When setting up a clinical or manual bladder treatment, what structures would you want to block on the anterior field set-up corners?
- The wings of the pelvis
- The femoral heads
When setting up a clinical or manual bladder treatment, to what structures would you especially want to minimize radiation exposure on the lateral set up field?
- The rectum
When treating the bladder, the patient’s arms can be placed akimbo, on the chest, or above the head. What can you not do for the patients legs?
Use a knee sponge under the legs
Radiation Therapy Setup Book” for bladder
The changing positioning of knee sponge could change the tilt on the pelvis, and therefore the bladder, on a daily basis. Thus, you can’t use a knee sponge.
According to “Portal Design in Radiation Therapy” with regards to bladder cancer “Preoperatively, patients receive a dose of _______ Gy at 1.8 Gy per fraction.”
(Hint: Consider the base dose)
45 to 50
According to “Portal Design in Radiation Therapy,” what is the maximum tolerance dose for 30 percent of the rectum?
(Hint: Consider treating a very small portion, not the whole thing
65 Gy
