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NEMA NU 1

2007 Edition, 2007

Complete Document

Performance Measurements of Gamma Cameras

Includes all amendments and changes through Change/Amendment , 2007


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Description / Abstract:

This Standards Publication establishes definitions, quantitative measurements of performance characteristics, and reporting techniques for the specification of the following gamma camera parameters:

Intrinsic Spatial Resolution

Intrinsic Spatial Linearity

Intrinsic Energy Resolution

Intrinsic Flood Field Uniformity

Multiple Window Spatial Registration

Intrinsic Count Rate Performance in Air

Intrinsic Spatial Resolution at 75 kcps

Intrinsic Flood Field Uniformity at 75 kcps

System Spatial Resolution without Scatter

System Spatial Resolution with Scatter

System Planar Sensitivity and Penetration

Detector Shielding

System Count Rate Performance with Scatter

System Alignment

SPECT Reconstructed Spatial Resolution without Scatter

SPECT Reconstructed Spatial Resolution with Scatter

System Volume Sensitivity

Detector-Detector Sensitivity Variation

Whole-body System Spatial Resolution without Scatter

The types of medical radionuclide imaging instruments included in this standard are:

Single detector, single crystal planar gamma cameras

Single detector, single crystal tomographic gamma cameras

Multiple detector planar and tomographic gamma cameras

Whole body gamma camera devices

Discrete pixel detector gamma cameras

The types of medical radionuclide imaging instruments not included in this standard are:

Coincidence imaging gamma cameras or systems (these are covered by NU-2).

All medical radionuclide imaging devices not included in the above.
ANSI/NEMA MW 1000, 2014