Radiology Physics Crossword

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Across
  1. 1. A population of photons with a range of energies produced when electrons decelerate [2, 5+8]
  2. 3. A relatively light particle that achieves relativistic speeds and has non-zero charge [2, 4+8]
  3. 5. Framework to ensure the quality of medical imaging operations [2, 7+9]
  4. 7. Type of model used in Machine Learning and Artificial Intelligence that provides greater insights into relationships within datasets [3, 4+6+7]
  5. 9. Measure of radiation output of a CT scan or radiation exposure to a CT patient [1*, 3]
  6. 11. An interactions between photons and matter that result in incorrectly measured attenuation coefficients [1, 7]
  7. 12. Energy deposited within a volume of specified matter per kilogram [2, 8+4]
  8. 16. Measure of both stochastic and deterministic risk due to radiation exposure to the organs and tissues of the human body [2, 9+4]
  9. 17. Type of photon created due to nucleus energy transitions [2, 5+3]
  10. 18. Artefact seen in MR images due to differences between fat and water [2, 8+5]
  11. 20. Name of an interference pattern caused by two regular patterns that move relative to each other (Hint: Can be seen in MR images) [1, 5]
  12. 21. Heavy particle that starts to deposit energy at short distances (~4cm in air) [2, 5+8]
  13. 22. Regular testing done by a hospital physicist [2, 10+7]
  14. 23. Type of photon created due to electronic energy transitions [1, 5]
Down
  1. 2. Material that records the energy absorbed and then releases it when stimulated by light [2, 12+8]
  2. 4. Application of radionuclides for medical diagnostic and/or therapeutic purposes [2, 7+8]
  3. 6. Possible cause of "geometric distortion" in radiographs (Hint: Broad/Fine focus spot) [1, 8]
  4. 8. Field of analysis that aims to extract features from medical images for further characterisation [1, 9]
  5. 10. Process of labelling different volumes/sections of a medical image with the assistance of computer programs [1, 12]
  6. 11. Common type of MR sequence that can produce weighting in T1, T2, and proton density [2, 4+4]
  7. 13. Kinetic energy imparted from incident radiation into a volume, per kilogram [1*, 5]
  8. 14. Clever invention using the Radon transform and enabled by filtering in the Fourier domain [2, 8+10]
  9. 15. Using material to attenuate photons that provide little to no diagnostic value in certain scenarios [1, 10]
  10. 19. Process to ensure the quality of medical imaging operations [2, 7+7]