Low-contrast phantom for daily quality control
Journal Article
·
· J. Nucl. Med.; (United States)
OSTI ID:6823151
A simple phantom is proposed to provide a low-contrast test object for daily quality assurance. The phantom consists of four quarters and five dimes taped to a Plexiglas plate. For daily quality control, the phantom is used with 5 cm of Plexiglas as scattering material and a flood source. Examples of images are presented for several gamma cameras, illustrating some of the information that can be obtained. In particular, we present examples of cameras providing improper imaging performance with the coin phantom but with normal floods and bar-phantom images. The major conclusion is that daily quality-control images should include significant amounts of scattering material and low-contrast objects.
- Research Organization:
- Univ. of Washington, Seattle
- OSTI ID:
- 6823151
- Journal Information:
- J. Nucl. Med.; (United States), Journal Name: J. Nucl. Med.; (United States) Vol. 22:3; ISSN JNMEA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
07 ISOTOPE AND RADIATION SOURCES
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
CAMERAS
COLLIMATORS
CONTROL
DESIGN
ESTERS
GAMMA CAMERAS
IMAGES
MATERIALS
MEDICINE
MOCKUP
NUCLEAR MEDICINE
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORMANCE TESTING
PETROCHEMICALS
PETROLEUM PRODUCTS
PHANTOMS
PLASTICS
PLEXIGLAS
POLYACRYLATES
POLYMERS
POLYVINYLS
QUALITY CONTROL
SCATTERING
STRUCTURAL MODELS
SYNTHETIC MATERIALS
TESTING
550601* -- Medicine-- Unsealed Radionuclides in Diagnostics
62 RADIOLOGY AND NUCLEAR MEDICINE
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
CAMERAS
COLLIMATORS
CONTROL
DESIGN
ESTERS
GAMMA CAMERAS
IMAGES
MATERIALS
MEDICINE
MOCKUP
NUCLEAR MEDICINE
ORGANIC COMPOUNDS
ORGANIC POLYMERS
PERFORMANCE TESTING
PETROCHEMICALS
PETROLEUM PRODUCTS
PHANTOMS
PLASTICS
PLEXIGLAS
POLYACRYLATES
POLYMERS
POLYVINYLS
QUALITY CONTROL
SCATTERING
STRUCTURAL MODELS
SYNTHETIC MATERIALS
TESTING