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Navigable Slide Index

1. Introduction
2. Outline
3. What is PET?
4. Principles of PET imaging
5. The PET process
6. Why positron emitters
7. Positron decay
8. Nuclide production
9. Decay schemes 18-F
10. The PET process
11. Image reconstruction
12. Different views when using PET scan
13. The process of image formation in details
14. Annihilation
15. LOR determination
16. Singles detection and processing
17. Event detection
18. Physics properties of PET scintillators
19. Detector/photomultiplier design
20. Energy trigger, measurement and qualification
21. Event positioning (1)
22. Event positioning (2)
23. Coincidence assessment of singles events
24. Steps involved in coincidence assessment
25. Coincidence acceptance angle (Transverse)
26. Coincidence acceptance angle (Axial)
27. Coincidence timing comparison
28. Overall LOR determination process
29. LOR data storage
30. Sample sinograms
31. Detector assembly
32. Direct and cross planes
33. Axial sampling and slice sensitivity
34. Michelograms
35. Further improvement in sensitivity
36. 2D and 3D
37. Inter-plane septa
38. Type of recorded events
39. Two ways of measuring randoms in PET
40. Randoms estimation
41. Scatter
42. Extent of scatter in PET images
43. KCPS vs. activity concentration
44. Scatter correction
45. Power of PET by quantification (1)
46. Power of PET by quantification (2)
47. Normalization
48. Dead-time
49. Decay correction
50. Geometric correction
51. Attenuation correction (1)
52. Attenuation correction (2)
53. Attenuation measurement
54. Calculated attenuation correction
55. Segmented attenuation correction
56. Effect of attenuation correction on PET image
57. CT based attenuation correction
58. Calibration
59. Factors affecting image resolution
60. Detectors
61. Detector size
62. Depth of interaction
63. Resolution improvement (1)
64. Resolution improvement (2)
65. Positron range (1)
66. Positron range (2)
67. Non co-linearity
68. Linear and angular sampling
69. Image matrix
70. Reconstruction filter (1)
71. Reconstruction filter (2)

Topics Covered

• Principles of PET imaging
• The PET process
• Positron decay
• Nuclide production
• Decay schemes of 18-F
• Image reconstruction
• Different views when using PET scanners
• The process of image formation in details
• Annihilation
• Detector/photomultiplier design
• Energy trigger, measurement and qualification
• Event positioning
• Coincidence assessment of singles events
• Steps involved in coincidence assessment
• Coincidence acceptance angles (Transverse & Axial)
• Coincidence timing comparison
• Overall LOR determination process
• LOR data storage
• Sample sinograms
• Detector assembly
• Direct and cross planes
• Axial sampling and slice sensitivity
• Michelograms
• Further improvement in sensitivity
• 2D and 3D
• Inter-plane septa
• Type of recorded events
• Two ways of measuring randoms in PET
• Randoms estimation
• Scatter and its extent in PET images
• KCPS vs. activity concentration
• Scatter correction
• Power of PET by quantification
• Normalization
• Dead-time
• Decay correction
• Geometric correction
• Attenuation measurement
• Calculated attenuation correction
• Segmented attenuation correction
• Effect of attenuation correction on PET image
• CT based attenuation correction
• Calibration
• Factors affecting image resolution
• Detector size
• Depth of interaction
• Resolution improvement
• Positron range
• Non co-linearity
• Linear and angular sampling
• Image matrix
• Reconstruction filter

Links

Series:

• Medical Imaging

Categories:

• Clinical Medicine
• Methods

Talk Citation

Publication History

• Published on November 25, 2010
• Reviewed on September 11, 2020

Financial Disclosures

• Dr. Osama Mawlawi has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.