Fundamental principles of positron emission tomography (PET) [electronic resource] : part 1 of 2 / Osama. Mawlawi.
Material type:
FilmSeries: Henry Stewart talksBiomedical & life sciences collection. Medical imaging: Publisher: London : Henry Stewart Talks, 2022Description: 1 online resource (1 streaming video file (56 min.) : color, sound)Other title: Fundamental principles of positron emission tomography (PET) 1Subject(s): Imaging systems in medicine | Tomography, Emission | Calibration | Diagnostic Imaging | Image Processing, Computer-Assisted | Imaging, Three-Dimensional | Positron Emission Tomography Computed Tomography | Positron-Emission Tomography | Radiation Exposure | Tomography, X-Ray ComputedOnline resources: Click here to access online | Series Animated audio-visual presentation with synchronized narration.
Title from title frames.
Updated version of a talk first published in 2010.
Contents: 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.
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Mode of access: World Wide Web.