SPECT quantification of technetium-99m microspheres within the canine lung
Journal Article
·
· J. Comput. Assist. Tomogr.; (United States)
Attenuation compensated single photon emission CT (SPECT) count rates of /sup 99m/Tc microsphere activities from 151 selected small regions of interest (ROIs) in an intact canine thorax were compared with the count rates obtained from scintillation camera images of similar ROIs from frozen slices of the thorax. A first-order method was used to compensate the SPECT and scintillation camera images for the effect of Compton scattering. The SPECT and scintillation camera count rates correlated well: r . 0.95 (RMS error 4.8 counts/s) for 19 X 19 X 13 mm thick ROIs. The authors conclude that regional quantification of /sup 99m/Tc microspheres within the dog thorax is possible using camera-based SPECT systems.
- Research Organization:
- Duke Univ. Medical Center, Durham, NC
- OSTI ID:
- 5835927
- Journal Information:
- J. Comput. Assist. Tomogr.; (United States), Journal Name: J. Comput. Assist. Tomogr.; (United States) Vol. 9:1; ISSN JCATD
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BODY
COMPUTERIZED TOMOGRAPHY
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DISTRIBUTION
DOGS
EMISSION COMPUTED TOMOGRAPHY
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LUNGS
MAMMALS
MICROSPHERES
NUCLEI
ODD-EVEN NUCLEI
ORGANS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RESPIRATORY SYSTEM
SCINTISCANNING
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
TECHNETIUM 99
TECHNETIUM ISOTOPES
TISSUE DISTRIBUTION
TOMOGRAPHY
TRACER TECHNIQUES
VERTEBRATES
YEARS LIVING RADIOISOTOPES
62 RADIOLOGY AND NUCLEAR MEDICINE
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BODY
COMPUTERIZED TOMOGRAPHY
COUNTING TECHNIQUES
DIAGNOSTIC TECHNIQUES
DISTRIBUTION
DOGS
EMISSION COMPUTED TOMOGRAPHY
HOURS LIVING RADIOISOTOPES
INTERMEDIATE MASS NUCLEI
ISOMERIC NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPE APPLICATIONS
ISOTOPES
LABELLED COMPOUNDS
LUNGS
MAMMALS
MICROSPHERES
NUCLEI
ODD-EVEN NUCLEI
ORGANS
RADIOISOTOPE SCANNING
RADIOISOTOPES
RESPIRATORY SYSTEM
SCINTISCANNING
SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY
TECHNETIUM 99
TECHNETIUM ISOTOPES
TISSUE DISTRIBUTION
TOMOGRAPHY
TRACER TECHNIQUES
VERTEBRATES
YEARS LIVING RADIOISOTOPES