NEMA NU 4:2008

NEMA NU 4:2008 Performance Measurements For Small Animal Positron Emission Tomographs (pets) Proposes a standardized methodology for evaluating the performance of PETs designed for animal imaging. Establishes a baseline of system performance in typical imaging conditions independent of camera

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Table of Contents

Foreword
Scope
Section1-DEFINITIONS
1.1Definitions
1.2StandardSymbols
Section2-GENERAL
2.1Purpose
2.2Purview
2.3UnitsofMeasure
2.4Consistency
2.5Equivalency
Section3-SPATIALRESOLUTION
3.1General
3.2Purpose
3.3Method
3.3.1Symbols
3.3.2Radionuclide
3.3.3SourceDistribution
3.3.4DataCollection
3.3.5DataProcessing
3.4Analysis
3.5Report
Section4-SCATTERFRACTION,COUNTLOSSES,ANDRANDOM
COINCIDENCEMEASUREMENTS
4.1General
4.2Purpose
4.3Method
4.3.1Symbols
4.3.2Radionuclide
4.3.3SourceDistribution
4.3.4DataCollection
4.3.5DataProcessing
4.4Analysis
4.4.1ScatterFraction
4.4.2TotalEventRateMeasurement
4.4.3TrueEventRateMeasurement
4.4.4RandomEventRateMeasurement
4.4.5ScatteredEventRateMeasurement
4.4.6NoiseEquivalentCountRateMeasurement
4.5Report
4.5.1CountRatePlot
4.5.2PeakCountRateValues
4.5.3SystemScatterFraction
Section5-SENSITIVITY
5.1General
5.2Purpose
5.3Method
5.3.1Symbols
5.3.2Radionuclide
5.3.3SourceDistribution
5.3.4DataCollection
5.4CalculationsandAnalysis
5.4.1SystemSensitivity
5.5Report
Section6-IMAGEQUALITY,ACCURACYOFATTENUATION,AND
SCATTERCORRECTIONS
6.1General
6.2Purpose
6.3Method
6.3.1Symbols
6.3.2Radionuclide
6.3.3SourceDistribution
6.3.4DataCollection
6.3.5DataProcessing
6.4Analysis
6.4.1Uniformity
6.4.2RecoveryCoefficients
6.4.3AccuracyofCorrections
6.5Report

Abstract

Proposes a standardized methodology for evaluating the performance of PETs designed for animal imaging. Establishes a baseline of system performance in typical imaging conditions independent of camera design and applies to a wide range of camera models and geometries.

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