KNOWLEDGE QUIZ: SGRT in medical physics

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Thank you for attending the SGRT Annual Meeting 2022.

Completing the below quiz will enable you to gain CE credits for your participation. A score of 16 out of 20 or higher is a pass, and your certificate will follow within 2 weeks. If you achieve a score of 15 out of 20 or lower, you will have the opportunity to retake the quiz.

This quiz is for the SGRT IN MEDICAL PHYSICS session, which featured the below speakers:

Enhancing Patient Experience: A multi-treatment site transition
David Parsons PhD, University of Texas Southwestern

A Step by Step Guide to QA and Commissioning
Cory Dallas MS, DABR, M Health Fairview

Guideline Review: AAPM TG302 Surface Guided Radiotherapy
Hania Al-Hallaq PhD, DABR, FAAPM, University of Chicago Medicine

Using SGRT to QA your couch
Paul Jursinic PhD, West Michigan Cancer Center

IF THIS IS NOT THE SESSION YOU ARE LOOKING FOR, PLEASE RETURN TO THE MAIN PAGE AND SELECT THE CORRECT ONE: https://sgrt.org/credits-quiz/

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Enhancing patient experience: A multi-treatment site transition (David Parsons PhD)

Q1) DIBH stability for breast cancer patients using SGRT is: *

1 point

Less than 2%

2%-4%

4%-10%

None of the above

Q2) Compared to conventional methods SGRT reduces daily setup time by: *

1 point

5%-15%

15%-25%

25%-50%

None of the above

Q3) Pediatric anesthesia-related and vascular access device complication rate for is: *

1 point

20%

Q4) In the age group 3–7-year-old, SGRT with PROMISE can reduce sedition rate by at least: *

1 point

10%

30%

60%

100%

Q5) During LT-SABR the average motion from involuntary swallowing is _____ above baseline respiratory motion? *

1 point

1-2mm

5-6mm

10-12mm

None of the above

A step-by-step guide to QA and commissioning (Cory Dallas MS, DABR)

Q6) What is the main advantage for Surface-Guided Radiotherapy (SGRT)? *

1 point

SGRT is nonionizing image guidance

SGRT is real time imaging

SGRT does not use external markers

Q7) What resources can a QMP use to determine the types of tests and procedures needed for SGRT commissioning and QA? *

1 point

AAPM Medical Physics Practice Guidelines

AAPM Task Group reports

ACR–AAPM technical standards

ACR-ASTRO Practice Parameters

All of the above

Q8) Which test is not needed for SGRT Commissioning? *

1 point

Data Transfer

Isocenter Coincidence

Baseline imaging dose

Localization accuracy

Vendor-recommended assessment

Q9) SGRT Daily QA must be performed by a QMP? *

1 point

True

False - Daily QA can be performed by a radiation therapist and reviewed and signed off by a QMP

Q10) End to End Tests.... *

1 point

Only need to be performed during commissioning

Can verify coincidence of SGRT with other imaging modalities and the treatment isocenter

Can reduce systematic and random error

A and B

B and C

A and C

Guideline Review: AAPM TG302 Surface Guided Radiotherapy (Hania Al-Hallaq PhD, DABR, FAAPM)

Q11) According to the 2019 survey conducted by TG-302, SGRT is used most commonly for initial positioning and intrafraction monitoring when treating: *

1 point

Prostate

Head and neck

Lung SBRT

Breast

Q12) The tolerances for SGRT commissioning and QA tests recommended by TG-302 are the same as those recommended by TG-147 *

1 point

True

False

Q13) What characteristic is necessary in a phantom for SGRT applications? *

1 point

Flat

Opaque

Shiny

Dark

Q14) Which voluntary breathhold method has been shown to correlate best with the heart position and is also less prone to baseline shifts? *

1 point

Surface imaging

Tracking surface markers (i.e., RPM)

Spirometer

None of the above

Q15) When treating frameless stereotactic radiosurgery (SRS) guided by SGRT, which of the following is necessary according to TG-302? *

1 point

Tracking of the eyes

Open face mask

6 degree-of-freedom couch

Couch with no walkout

Using SGRT to QA your couch (Paul Jursinic PhD)

Q16) The uncertainty established in this presentation for AlignRT and Winston-Lutz measurements is: *

1 point

Could not be determined

< 0.2 mm

< 1.0 mm

Q17) If the radiation isocenter and couch rotation center are not coincident, then which of the following is true: *

1 point

The target cannot be placed at radiation isocenter

The radiation isocenter and the AlignRT optical center cannot be made coincident within measurement uncertainty

The target will move off of radiation isocenter when the couch is rotated

Q18) The AlignRT optical measurements and Winston-Lutz radiation measurements are: *

1 point

Not correlated with one another

Able to give the same position in space of the couch rotation center, within measurement uncertainty

Only useable with Varian accelerators

Q19) AlignRT optical measurements can: *

1 point

Not give useful information for accelerator QA

Be used as an independent indicator of couch alignment with respect to the radiation isocenter

Not be trusted since the measurement error is > 1 mm

Q20) Data in this presentation indicate: *

1 point

The radiation isocenter and couch rotation center are always coincident within experimental uncertainty

Couch alignment with respect to the radiation isocenter is invariant with accelerator use

Couch alignment with respect to the radiation isocenter can be adjusted

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