Nuclide Imaging: Planar Scintigraphy, SPECT, PET - Polytechnic ...

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Example• Imaging of a rectangular region, with the followingstructure. Derive detector readings in 2 paired positions(A-C, B-D)BCΑ1, µ1AΑ2,µ2How does the approach and results differ from SPECT?DEL5823 Nuclear Imaging Yao Wang, Polytechnic U., Brooklyn 52
PET resolution compared to MRIPET• Modern PET ~ 2-3 mm resolution(1.3 mm)MRIFrom H. Graber, lecture slides for BMI1,F05EL5823 Nuclear Imaging Yao Wang, Polytechnic U., Brooklyn 53
Page 1 and 2: Nuclide Imaging: PlanarScintigraphy
Page 3 and 4: What is Nuclear Medicine• Also kn
Page 5 and 6: What is Radioactivity?EL5823 Nuclea
Page 7 and 8: Gamma Decay (Isometric Transition)
Page 9 and 10: Radioactive Decay Law• N(t): the
Page 11 and 12: Overview of Imaging Modalities• P
Page 13 and 14: Anger Scintillation CameraCompare t
Page 15 and 16: • Scintillation crystal:Scintilla
Page 17 and 18: Inside a Photomultiplier Tube10^6-1
Page 19 and 20: Pulse Height CalculationEL5823 Nucl
Page 21 and 22: Acquisition ModesEL5823 Nuclear Ima
Page 23 and 24: Single Frame ModeThe value in each
Page 25 and 26: Multiple Gated AcquisitionEL5823 Nu
Page 27 and 28: Imaging EquationEL5823 Nuclear Imag
Page 29 and 30: Examples• Example 1: Imaging of a
Page 31 and 32: SPECT Instrumentation• Similar to
Page 33 and 34: Imaging Equation: θ=0(z,l)RReplace
Page 35 and 36: General Case: Imaging EquationEL582
Page 37 and 38: Correction for Attenuation Factor
Page 39 and 40: SPECT applications• Brain:- Perfu
Page 41 and 42: Annihilation Coincidence Detection
Page 43 and 44: Coincidence TimingEL5823 Nuclear Im
Page 45 and 46: Multiple Ring DetectorEL5823 Nuclea
Page 47 and 48: A Typical PET ScannerEL5823 Nuclear
Page 49 and 50: Imaging EquationNNN+−c( s )( s )(
Page 51: Reconstruction from Corrected Sinog
Page 55 and 56: PET applications• Brain:- Tumor d
Page 57 and 58: Image Quality Consideration• We w
Page 59 and 60: Collimator ResolutionRc(z)2* Rc(z)
Page 61 and 62: Intrinsic ResolutionE) dz’ }EL582
Page 63 and 64: Detector EfficiencyEL5823 Nuclear I
Page 65 and 66: Summary• Three major imaging moda
Page 67: Homework• Reading:- Prince and Li

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