| Question 1: The target/filter combinations available for DBT or DM imaging on Senographe Pristina are:
A. Mo/Mo, Mo/Rh, and Rh/Rh
B. W/Al
C. Rh/Rh
D. Mo/Mo and Rh/Ag |
| Reference: | Senographe Pristina Operator Manual ref 5762780-8EN rev 7 (download from http://apps.gehealthcare.com/servlet/ClientServlet?REQ=Enter+Documentation+Library) |
| Choice A: | Mo/Mo, Mo/Rh, and Rh/Rh |
| Choice B: | W/Al |
| Choice C: | Rh/Rh |
| Choice D: | Mo/Mo and Rh/Ag |
| Question 2: The beam quality selected by the automatic exposure mode on Senographe Pristina is:
A. Mo/Mo 26 kVp below 3.5cm PMMA-equivalent breast thickness, and Rh/Ag 34 kVp above 3.5cm PMMA-equivalent breast thickness
B. Mo/Mo or Rh/Ag, with the kVp increasing from 24 to 34, depending on the PMMA-equivalent breast thickness
C. Rh/Ag 34 kVp for all PMMA equivalent breast thicknesses |
| Reference: | Senographe Pristina Operator Manual ref 5762780-8EN rev 7 (download from http://apps.gehealthcare.com/servlet/ClientServlet?REQ=Enter+Documentation+Library) |
| Choice A: | Mo/Mo 26 kVp below 3.5cm PMMA-equivalent breast thickness, and Rh/Ag 34 kVp above 3.5cm PMMA-equivalent breast thickness |
| Choice B: | Mo/Mo or Rh/Ag, with the kVp increasing from 24 to 34, depending on the PMMA-equivalent breast thickness |
| Choice C: | Rh/Ag 34 kVp for all PMMA equivalent breast thicknesses |
| Question 3: When performing MEE or annual testing on a Senographe Pristina, the medical physicist should check that the difference between the average glandular dose displayed by the system and the average glandular dose computed by the physicist when imaging the ACR Mammography Accreditation Phantom is:
A. less than or equal to 20%
B. equal to 20%
C. greater than 20% |
| Reference: | Senographe Pristina Quality Control Manual ref 5762778-8EN rev 5 (download from http://apps.gehealthcare.com/servlet/ClientServlet?REQ=Enter+Documentation+Library) |
| Choice A: | less than or equal to 20% |
| Choice B: | equal to 20% |
| Choice C: | greater than 20% |
| Question 4: As the scan angle of a breast tomosynthesis system gets wider... |
| Reference: | Mertelmeier T, Ludwig J, Zhao B, Zhao W. In Krupinski E (ed.) Lecture Notes in Computer Science 5116. Digital Mammography, 9th International Workshop, IWDM 2008, pp 220-227, Springer-Verlag Berlin Heidelberg (2008) |
| Choice A: | in-plane blurring of out-of-plane objects is decreased |
| Choice B: | depth resolution is increased |
| Choice C: | image noise is increased |
| Question 5: As depth resolution in breast tomosynthesis is increased,
A. assessment of breast density becomes less accurate
B. the presence of anatomical noise is increased
C. detection of tumor masses and low-contrast lesions is improved |
| Reference: | Scaduto DA, Huang H, Liu C, Rinaldi K, Hebecker A, Mertelmeier T, Vogt S, Fisher P, Zhao W, "Impact of angular range of digital breast tomosynthesis on mass detection in dense breasts," Proc. SPIE 10718, 14th IWBI, 2018; 107181V; doi: 10.1117/12.2318243 |
| Choice A: | assessment of breast density becomes less accurate |
| Choice B: | the presence of anatomical noise is increased |
| Choice C: | detection of tumor masses and low-contrast lesions is improved |
| Question 6: Using Titanium filtration for contrast enhanced mammography
A. enables consecutive exams without tube overheating
B. increases the X-ray tube load
C. reduces the amount of scatter radiation |
| Reference: | Hörnig MD et al. Design of a contrast-enhanced dual-energy tomosynthesis system for breast cancer imaging. In: Proc. SPIE 8313: Medical Imaging 2012: Physics of Medical Imaging, 2012; 83134O |
| Choice A: | enables consecutive exams without tube overheating |
| Choice B: | increases the X-ray tube load |
| Choice C: | reduces the amount of scatter radiation |
| Question 7: 7. The modulation transfer function (MTF)
A. Is typically used to characterize the spatial resolution of digital imaging systems
B. Is typically normalized to the value at its Nyquist frequency
C. Increases with decreasing spatial resolution
D. Is independent of the detector resolution |
| Reference: | Fujita H, Tsai D-Y, Itoh T, Doi K, Morishita J, Ueda K, Ohtsuka A., A Simple Method for Determining the Modulation Transfer Function in Digital Radiography., IEEE Transactions on Medical Imaging. 1992 Mar;11(1):34-9 |
| Choice A: | Is typically used to characterize the spatial resolution of digital imaging systems |
| Choice B: | Is typically normalized to the value at its Nyquist frequency |
| Choice C: | Increases with decreasing spatial resolution |
| Choice D: | Is independent of the detector resolution |
| Question 8: 8. Comparing two differing systems’ visibility of the same diameter gold disc in the contrast-detail phantom (CDMAM)
A. The system showing better visibility for thinner discs has superior low-contrast detection
B. The system showing better visibility for thinner discs has inferior low-contrast detection
C. In addition to the CDMAM images, one also needs to know the MTF of each system to conclude anything about the relative low contrast detection performance
D. The CDMAM phantom is not used to determine low-contrast detection performance |
| Reference: | Karssemeijer, N., Thijssen, M.A.O.: Determination of contrast-detail curves of mammography systems by automated image analysis. In: Digital Mammography 1996. Proceedings of the 3rd International Workshop on Digital Mammography, pp. 155–160 (1996) |
| Choice A: | The system showing better visibility for thinner discs has superior low-contrast detection |
| Choice B: | The system showing better visibility for thinner discs has inferior low-contrast detection |
| Choice C: | In addition to the CDMAM images, one also needs to know the MTF of each system to conclude anything about the relative low contrast detection performance |
| Choice D: | The CDMAM phantom is not used to determine low-contrast detection performance |
| Question 9: 9. Comparing images acquired at differing resolution with a given system and phantom at a fixed dose, the signal-to-noise ratio (SNR) in the higher resolution image
A. is expected to be the same as for lower resolution image
B. is expected to be lower than that of lower resolution image
C. is expected to be higher than that of lower resolution image
D. is expected to be the square root of two times that of lower resolution DBT |
| Reference: | Sechopoulos, I., A review of breast tomosynthesis. Part I. The image acquisition process., Med. Phys. 2013 Jan; 40(1):014301-1 – 12 |
| Choice A: | is expected to be the same as for lower resolution image |
| Choice B: | is expected to be lower than that of lower resolution image |
| Choice C: | is expected to be higher than that of lower resolution image |
| Choice D: | is expected to be the square root of two times that of lower resolution DBT |
| Question 10: 10. The unique Hexagonal Close Pattern (HCP) detector pixel design on ASPIRE Cristalle outperforms traditional pixel array to help enable superior diagnostic accuracy. When compared with square pixels, HCP delivers:
A. 20% increase in detector sensitivity
B. Improved information capture
C. Lower patient dose
D. All of the above |
| Reference: | Technology Advances in Mammography Dose Reduction and Image Quality
(https://www.fujifilmusa.com/products/medical/digital-mammography/qc-pdf/FUJIFILM_Cristalle_White_Paper.pdf) |
| Choice A: | 20% increase in detector sensitivity |
| Choice B: | Improved information capture |
| Choice C: | Lower patient dose |
| Choice D: | All of the above |
