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Wednesday, July 22, 2020 | History

2 edition of Measurements of the performance parameters of gamma cameras found in the catalog.

Measurements of the performance parameters of gamma cameras

Gerald J. Hine

Measurements of the performance parameters of gamma cameras

Part II

by Gerald J. Hine

  • 303 Want to read
  • 9 Currently reading

Published by U.S. Dept. of Health, Education, and Welfare, Food and Drug Administration, Bureau of Radiological Health in Rockville, Md .
Written in English

    Subjects:
  • Imaging systems in medicine,
  • Radiography, Medical,
  • Gamma rays

  • Edition Notes

    Includes bibliographical references.

    Statementby Gerald J. Hine ... [et al.].
    SeriesDHEW publication ; no. (FDA) 79-8049, DHEW publication -- no. (FDA) 79-8049.
    ContributionsUnited States. Bureau of Radiological Health
    The Physical Object
    Paginationvi, 53 p. :
    Number of Pages53
    ID Numbers
    Open LibraryOL22419884M

    • Practically, performance tests of the gamma camera and SPECT systems must be limited so that they can be completed timely. • Acceptance tests completed in one full day • Annual reviews completed in ½ day • It is necessary to involve the technologist in the testing. Trained technologists may perform some of . Guidelines on Quality Control for Nuclear Medicine Instrumentation EANM Working Group Authors: 1.b Performance parameters 1.b.i Contrast texasbestchambers.com Matrix size and time per frame 1 Multi-headed gamma cameras for PET (GCPET) System description Performance characteristics of GCPET.

    CHARACTERIZATION OF THE COUNT RATE PERFORMANCE AND EVALUATION OF THE EFFECTS OF HIGH COUNT RATES ON MODERN GAMMA CAMERAS Michael Stephen Silosky, B.S. Supervisory Professor: S. Cheenu Kappadath, Ph.D. Evaluation of count rate performance (CRP) is an integral component of gamma. Basic Principles of Gamma Camera Imaging and Quality Control Sharon L. White, PhD List performance characteristics of gamma cameras and features affecting performance. 3. List basic gamma camera calibrations and how they affect performance. 4. List QC tests for gamma cameras required by accrediting organizations. 5.

    Describes definitions, quantitative measurements of performance characteristics, and reporting techniques for the specification of the following Gamma camera parameters. General Product Information - (Show below) - (Hide below). – scintillation crystals in a gamma camera are typically 10 to 25 inches in diameter (or rectangular) and are 1/4 to 1 inch thick – Like the screens that are used in projection radiography, thicker crystals stop more photons than thinner crystals, but they also have poorer resolution.


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Measurements of the performance parameters of gamma cameras by Gerald J. Hine Download PDF EPUB FB2

Measurements of the performance parameters of gamma cameras. Rockville, Md.: Dept. of Health, Education, and Welfare, Food and Drug Administration, Bureau of Radiological Health, (OCoLC) Online version: Hine, Gerald J. Measurements of the performance parameters of gamma cameras. Measurements of the performance parameters of gamma cameras: Part I [Gerald J.

Hine] on texasbestchambers.com *FREE* shipping on qualifying texasbestchambers.com: Gerald J. Hine. Provides a uniform criterion for the measurement and reporting of gamma camera performance parameters for single and multiple crystal cameras and tomographic devices that image a section or reconstruction image volume, or both.

Measurements of the performance parameters of gamma cameras. Rockville, Md.: Dept. of Health, Education, and Welfare, Food and Drug Administration, Bureau of Radiological Health, (OCoLC) ROSSLYN, Va.—The National Electrical Manufacturers Association (NEMA) published NEMA NU Performance Measurements of Gamma Cameras, a Standard that provides a uniform and consistent method for measuring and reporting performance parameters of single-photon emission computed tomography (SPECT) texasbestchambers.comed are updates for SPECT/CT systems, pixelated detectors and.

Performance Parameters of Gamma Cameras () (PM) tubes have significant effects on the intrinsic resolution. In gamma cameras, the X, Y positioning of the pulses is improved by increasing the number of PM tubes, thus improving the intrinsic resolution.

Also, PM tubes with greater quantum efficiency and their improved optical coupling to. Sep 28,  · The quality and detail of an image obtained by gamma cameras are affected by several parameters associated with these imaging systems.

These parameters include spatial resolution, sensitivity, uniformity, and contrast, and they are described here in detail. A brief description of the quality control tests for gamma cameras is also texasbestchambers.com: Gopal B.

Saha. Gamma Camera Acceptance Testing: The First Quality Control Julie Blust Department of Nuclear Medicine, St. Luke's Episcopal Hospital, Houston, Texas Objective: When a gamma camera is delivered, it should be evaluated to verify that it meets the performance level prom­ ised by the specifications.

The quality and detail of an image obtained by gamma cameras are affected by several parameters associated with these imaging systems. These parameters include spatial resolution, sensitivity. This report,"Scintillation Camera Acceptance Testing and Performance Evaluation," is the sixth in a series of AAPM texasbestchambers.com is designed to provide users of the scintillation cameras with test procedures for performance evaluation.

This report was prepared by the Nuclear Medicine Committee of the. Aug 11,  · Several measurements of performance parameters are required to test the operation of nuclear medicine equipment in the clinical setting.

The importance of the parameters and frequencies of the tests are essentially dependent on the purpose of the imaging and how often the equipment is texasbestchambers.com: Angela Vaiano.

This Standards Publication establishes definitions, quantitative measurements of performance characteristics, and reporting techniques for the specification of the following Gamma camera parameters: a. Intrinsic Spatial Resolution b. Intrinsic Spatial Linearity c. Intrinsic Energy Resolution d.

Intrinsic Flood Field Uniformity e. @article{osti_, title = {Acceptance testing and quality control of gamma cameras, including SPECT}, author = {Murphy, P.H.}, abstractNote = {The measurement of several performance parameters of a scintillation camera at the time of installation and thereafter at regular intervals is necessary to ensure that the camera is operating within specifications and to detect changes over time.

May 25,  · Performance characteristics of a new pixelated portable gamma camera. The Gaussian fitting parameters were used to determine the photopeak center energy and the FWHM.

For each photopeak, the energy resolution was calculated as the quotient of its FWHM and its center energy. “ Performance measurements of gamma cameras,” NEMA Cited by: We use cookies to offer you a better experience, personalize content, tailor advertising, provide social media features, and better understand the use of our services.

chapter 14 The Gamma Camera. Performance Characteristics. The performance of a gamma camera system is defined by the sharpness and detail of the images it produces, the efficiency with which it detects incident radiation, its ability to measure the energy of the incident γ rays (to minimize scatter), and the counting rate it can handle without significant dead time losses.

Oct 25,  · Doody's Book Review - Score: 95, 4 Stars. Nuclear Medicine Instrumentation is the first text to covers instruments vital to nuclear medicine at a technologist’s level. It provides students with concise and straightforward information pertaining to the operation and use of each instrument.

It is specifically designed to prepare students for typical scenarios and potential pitfalls they may 5/5(1). In order to evaluate the effects of the pinhole collimator parameters on system performance, computer simulations were performed using GATE.

The simulated pinhole gamma camera employed a Hamamatsu H position-sensitive photomultiplier tube (PSPMT) and CsI(Tl) scintillation crystal with a thickness of mm and an area of mm × texasbestchambers.com by: 9. The measurement of several performance parameters of a scintillation camera at the time of installation and thereafter at regular intervals is necessary to ensure that the camera is operating within specifications and to detect changes over time that can initiate a request for service.

Represents a subset of measurements that characterize the performance of PETs for specific imaging tasks typically encountered in small laboratory animal imaging facilities. A comparison of count rate parameters in gamma cameras.

Lewellen TK, Murano R. Pulse pile-up is a fundamental problem that limits the ability of a gamma camera to produce high quality images at high count rates. Pulse pile-up results in loss of events and spatial distortions in the texasbestchambers.com by: 5.Purpose.

Energy resolution is one of the major limitations of gamma camera performance, mainly affecting image contrast and resolution. There is a need for a simple method of measuring gamma camera energy resolution, which is practical for technology students as well as for routine quality texasbestchambers.com: Nasser Ballani, Geoff Dougherty.Quality Control of Scintillation Cameras (Planar and SPECT) Michael K.

O’Connor, Mayo Clinic, Rochester, MN The purpose of quality control (QC) is to detect changes in the performance of a gamma camera system that may adversely affect the interpretation of clinical studies.