Motion Management

Question 1

SGRT stands for what?

Answer 1

Surface Guided Radiation Therapy

Question 2

_______ is an optical surface scanning system that tracks patient’s 3D surface in real time

Answer 2

SGRT

Question 3

SGRT monitors ___inter/intra___ fraction motion

Answer 3

intrafraction motion
- DURING/WITHIN a FRACTION

Question 4

T/F: some trt centers use SGRT only or use SGRT with tats

Answer 4

true

Question 5

triangulation or SGRT provides more info for patient set-up?

Answer 5

SGRT

Question 6

____ is like projecting multiple tats on patient

Answer 6

SGRT

Question 7

AlignRT is an ______ company

Answer 7

SGRT

Question 8

SGRT shows adjustments in ____ and ______ directions

Answer 8

translational and rotational directions

Question 9

T/F: using SGRT, we can compare reference surface captured on 1st trt to the “today’s surface”

Answer 9

true

–how we can set-up them up and reproduce

Question 10

DIBH is what type of gating?

Answer 10

respiratory gating

Question 11

when is beam turned on for respiratory gating?

Answer 11

only on during a defined window

Question 12

DIBH stands for what?

Answer 12

Deep Inspiration Breath Hold

Question 13

what type of sim is required for gating?

Answer 13

4D sim; DIBH sim

Question 14

what are main trts that use respiratory gating?

Answer 14

breast (LT mainly cause heart), lung, liver (upper GI areas)

Question 15

abdominal __________ limits motion

Answer 15

compression

Question 16

abdominal compression REDUCES motion in ____-_____ direction

Answer 16

supero-inferior

sup/inf

Question 17

abdominal compression creates what type of breathing?

Answer 17

shallowing breathing

Question 18

T/F: if abdominal compression is ordered by rad onc, patient is simmed with compression belt/device

Answer 18

TRUE