Question 1: Based on TG-284, what is the recommended testing frequency for the magnetic field homogeneity test? |
Reference: | Glide-Hurst CK, Paulson ES, McGee K, Tyagi N, Hu Y, Balter J, Bayouth J. Task group 284 report: magnetic resonance imaging simulation in radiotherapy: considerations for clinical implementation, optimization, and quality assurance. Med Phys. 2021 Jul;48(7):e636-e670. doi: 10.1002/mp.14695. PMID: 33386620; PMCID: PMC8761371 |
Choice A: | Only at commissioning of the MR simulator |
Choice B: | Commissioning, annual and equipment change |
Choice C: | Monthly |
Choice D: | Daily |
Question 2: Based on TG-284, what is the recommended tolerance for the table movement accuracy? |
Reference: | Glide-Hurst CK, Paulson ES, McGee K, Tyagi N, Hu Y, Balter J, Bayouth J. Task group 284 report: magnetic resonance imaging simulation in radiotherapy: considerations for clinical implementation, optimization, and quality assurance. Med Phys. 2021 Jul;48(7):e636-e670. doi: 10.1002/mp.14695. PMID: 33386620; PMCID: PMC8761371. |
Choice A: | ± 1.0mm |
Choice B: | ± 2.0mm |
Choice C: | ± 3.0mm |
Choice D: | No tolerance is recommended |
Question 3: What is a key advantage of operating an MR-SIM using the Traditional Operational Model, where personnel work in their professional training capacities? |
Reference: | Glide-Hurst CK, Paulson ES, McGee K, Tyagi N, Hu Y, Balter J, Bayouth J. Task group 284 report: magnetic resonance imaging simulation in radiotherapy: considerations for clinical implementation, optimization, and quality assurance. Med Phys. 2021 Jul;48(7):e636-e670. doi: 10.1002/mp.14695. PMID: 33386620; PMCID: PMC8761371. |
Choice A: | MRI technologists understand the process of radiation therapy simulation |
Choice B: | MRI safety recommendations for American College of Radiology (ACR) are fulfilled using MRI technologists |
Choice C: | Radiation therapists are familiar with MRI scanning |
Choice D: | Diagnostic physicists are trained in radiation therapy related quality assurance tasks |
Question 4: MRI safety is a critical component of an MR-SIM program. Which of the following is/are recommended for key personnel? |
Reference: | Glide-Hurst CK, Paulson ES, McGee K, Tyagi N, Hu Y, Balter J, Bayouth J. Task group 284 report: magnetic resonance imaging simulation in radiotherapy: considerations for clinical implementation, optimization, and quality assurance. Med Phys. 2021 Jul;48(7):e636-e670. doi: 10.1002/mp.14695. PMID: 33386620; PMCID: PMC8761371. |
Choice A: | Formal didactic MRI safety training |
Choice B: | Proficiency in MRI safety screening |
Choice C: | Demonstrated and documented clinical competencies |
Choice D: | All of the above |
Question 5: What is the mechanism by which the quantitative imaging biomarker alliance (QIBA) propagates standards for developing quantitative MR biomarkers? |
Reference: | 1. Obuchowski NA, Buckler A, Kinahan P, Chen-Mayer H, Petrick N, Barboriak DP, Bullen J, Barnhart H, Sullivan DC. Statistical Issues in Testing Conformance with the Quantitative Imaging Biomarker Alliance (QIBA) Profile Claims. Acad Radiol. 2016 Apr;23(4):496-506. doi: 10.1016/j.acra.2015.12.020. Epub 2016 Feb 18. PMID: 26898527; PMCID: PMC4831211.
2. Sullivan DC, Obuchowski NA, Kessler LG, Raunig DL, Gatsonis C, Huang EP, Kondratovich M, McShane LM, Reeves AP, Barboriak DP, Guimaraes AR, Wahl RL; RSNA-QIBA Metrology Working Group. Metrology Standards for Quantitative Imaging Biomarkers. Radiology. 2015 Dec;277(3):813-25. doi: 10.1148/radiol.2015142202. Epub 2015 Aug 12. PMID: 26267831; PMCID: PMC4666097. |
Choice A: | Biomarker profile |
Choice B: | Peer reviewed literature |
Choice C: | Standardized imaging protocol |
Choice D: | Establishing clinical validation |
Choice E: | RSNA annual meeting |
Question 6: What type is defined as a surrogate endpoint when classifying a biomarker? |
Reference: | R. Frank and R. Hargreaves, Nat Rev Drug Discov 2 (7), 566-580 (2003). |
Choice A: | 0 |
Choice B: | 1 |
Choice C: | 2 |
Choice D: | 3 |