Intrinsic uniformity and relative sensitivity quality control tests for single-head gamma cameras

AA Elkamhawy, JR Rothenbach… - Journal of Nuclear …, 2000 - Soc Nuclear Med
Objective: We sought to determine the best parameters for rapid performance of daily quality
control testing of intrinsic uniformity and relative sensitivity for the single-head gamma …

Reporducibility and action levels for gamma camera uniformity

KC Young, K Kouris, M Awdeh… - Nuclear Medicine …, 1990 - journals.lww.com
Deciding on the action level for gamma camera non-uniformity is difficult because the
reproducibilities of quality control measurements and service adjustments are usually …

[HTML][HTML] Calculating gamma camera uniformity parameters: Beyond the vendor-specific protocol

AK Pandey, PD Sharma, JP Kumar… - Indian Journal of …, 2017 - journals.lww.com
Objectives: The aim of this study was to develop and verify a personal computer-based
software tool for calculating uniformity indices of gamma camera. Materials and Methods …

[HTML][HTML] Quality control of gamma camera with SPECT systems

MR Hasan, MHR Khan, MR Rahman… - International Journal of …, 2017 - scirp.org
Quality control of Gamma Camera with SPECT System is highly valuable for assurance
performance characteristic. We report the performance characteristic of gamma camera by …

An evaluation of cusum analysis and control charts applied to quantitative gamma-camera uniformity parameters for automated quality control

AC Knight, ED Williams - European journal of nuclear medicine, 1992 - Springer
Gamma-camera uniformity is often monitored for quality control of performance. Many
parameters can be derived from computer analysis of the image of a uniform (flood) source …

Quality control in dual head gamma-cameras: Comparison between methods and software used for image analysis

AN Edam, MR Fornasier, M De Denaro… - Applied radiation and …, 2018 - Elsevier
Patient radiation dose and image quality are primary issues in the conduct of nuclear
medicine (NM) procedures. A range of protocols are currently used in image acquisition and …

Extrinsic versus intrinsic uniformity correction for γ-cameras

R Bolstad, J Brown, V Grantham - Journal of nuclear medicine …, 2011 - Soc Nuclear Med
SPECT produces nuclear medicine images using a 3-dimensional diagnostic tool that
eliminates the superimposition of adjacent structures, thus providing improved disease …

Experimental determination of the extrinsic sensitivity and counting efficiency of a nuclear gamma camera using a homogeneous circular planar source

M Rodrigues, E Galiano - Applied radiation and isotopes, 2007 - Elsevier
Two important operational parameters of medical gamma cameras are the extrinsic counting
efficiency and sensitivity. Historically, for practical reasons these two parameters have been …

Factors affecting gamma-camera non-uniformity

A Hughes, PF Sharp - Physics in Medicine & Biology, 1988 - iopscience.iop.org
Abstract Evaluation of detector non-uniformity is the most common practice in present day
nuclear medicine quality control procedures. The object of this investigation was, firstly, to …

Characterization of the count rate performance of modern gamma cameras

M Silosky, V Johnson, C Beasley… - Medical …, 2013 - Wiley Online Library
Purpose: Evaluation of count rate performance (CRP) is an integral component of gamma
camera quality assurance and system deadtime (τ) may be utilized for image correction in …