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Gamma camera for medical applications, using a multiwire proportional counter. [Dogs, pigs]

Journal Article · · J. Nucl. Med.; (United States)
OSTI ID:6551669
; ; ; ; ; ; ; ;
A multiwire proportional counter gamma camera, specially designed for nuclear medicine applications, is portable and weighs less than 50 lb including shielding and collimator. The basic operating characteristics have been investigated with various radioactive sealed sources. The camera demonstrates a peak count rate of 850,000 cps, an intrinsic spatial resolution of 2.5 mm, and excellent image uniformity when used with x-ray sources in the range of 22-81 keV. Tests of the device with Ta-178 using 20 mCi injections provided images of quality comparable to those obtained from 15 mCi Tc-99m studies with conventional imaging devices. The camera used with Ta-178 offers particular promise in first-pass nuclear cardiology studies.
Research Organization:
NASA-Johnson Space Center, Houston, TX
OSTI ID:
6551669
Journal Information:
J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 25:9; ISSN JNMEA
Country of Publication:
United States
Language:
English

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Related Subjects

440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
BODY
CADMIUM 109
CADMIUM ISOTOPES
CAMERAS
CARDIOVASCULAR SYSTEM
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DOGS
DOMESTIC ANIMALS
EFFICIENCY
ELECTRON CAPTURE RADIOISOTOPES
ENERGY RESOLUTION
EVEN-ODD NUCLEI
GAMMA CAMERAS
HEART
HEAVY NUCLEI
HOURS LIVING RADIOISOTOPES
IMAGES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
MAMMALS
MEASURING INSTRUMENTS
MINUTES LIVING RADIOISOTOPES
MULTIWIRE PROPORTIONAL CHAMBERS
NUCLEI
ODD-EVEN NUCLEI
ODD-ODD NUCLEI
ORGANS
PROPORTIONAL COUNTERS
RADIATION DETECTORS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RESOLUTION
SCINTISCANNING
SPATIAL RESOLUTION
SWINE
TANTALUM 178
TANTALUM ISOTOPES
TECHNETIUM 99
TECHNETIUM ISOTOPES
VERTEBRATES
YEARS LIVING RADIOISOTOPES