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Printable Handouts
Navigable Slide Index
- Introduction
- Outline
- What is PET?
- Principles of PET imaging
- The PET process
- Why positron emitters
- Positron decay
- Nuclide production
- Decay schemes 18-F
- The PET process
- Image reconstruction
- Different views when using PET scan
- The process of image formation in details
- Annihilation
- LOR determination
- Singles detection and processing
- Event detection
- Physics properties of PET scintillators
- Detector/photomultiplier design
- Energy trigger, measurement and qualification
- Event positioning (1)
- Event positioning (2)
- Coincidence assessment of singles events
- Steps involved in coincidence assessment
- Coincidence acceptance angle (Transverse)
- Coincidence acceptance angle (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
- Extent of scatter in PET images
- KCPS vs. activity concentration
- Scatter correction
- Power of PET by quantification (1)
- Power of PET by quantification (2)
- Normalization
- Dead-time
- Decay correction
- Geometric correction
- Attenuation correction (1)
- Attenuation correction (2)
- Attenuation measurement
- Calculated attenuation correction
- Segmented attenuation correction
- Effect of attenuation correction on PET image
- CT based attenuation correction
- Calibration
- Factors affecting image resolution
- Detectors
- Detector size
- Depth of interaction
- Resolution improvement (1)
- Resolution improvement (2)
- Positron range (1)
- Positron range (2)
- Non co-linearity
- Linear and angular sampling
- Image matrix
- Reconstruction filter (1)
- 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
Talk Citation
Mawlawi, O. (2010, November 25). Fundamental principles of positron emission tomography (PET) 1 [Video file]. In The Biomedical & Life Sciences Collection, Henry Stewart Talks. Retrieved January 24, 2021, from https://hstalks.com/bs/1668/.Publication History
Financial Disclosures
- Dr. Osama Mawlawi has not informed HSTalks of any commercial/financial relationship that it is appropriate to disclose.