Computed tomography using synchrotron radiation

Conference · Thu Sep 01 00:00:00 EDT 1983

OSTI ID:5326559

Thompson, A C; Llacer, J; Finman, L C; Hughes, E B; Otis, J N; Wilson, S; Zeman, H D

X-ray computed tomography (CT) is a widely used method of obtaining cross-sectional views of objects. The high intensity, natural collimation, monochromaticity and energy tunability of synchrotron x-ray sources could potentially be used to provide CT images of improved quality. The advantages of these systems would be that images could be produced more rapidly with better spatial resolution and reduced beam artifacts. In addition, images, in some cases, could be acquired with elemental sensitivity. As a demonstration of the capability of such a system, CT images were obtained of four slices of an excised pig heart in which the arteries and the cardiac chambers were filled with an iodinated medium. Images were taken with incident x-rays tuned successively to energies just above and below the iodine K edge. Iodine specific images were obtained by logarithmically subtracting the low energy image data from the high energy data and then reconstructing the image. CT imaging using synchrotron radiation may become a convenient and non-destructive method of imaging samples difficult to study by other methods.

• Research Organization: Lawrence Berkeley Lab., CA (USA); Stanford Univ., CA (USA)
• DOE Contract Number: AC03-76SF00098
• OSTI ID: 5326559
• Report Number(s): LBL-16458; CONF-830910-12; ON: DE84006626
• Resource Relation: Conference: 3. national conference on synchrotron radiation instrumentation, Upton, NY, USA, 12 Sep 1983
• Country of Publication: United States
• Language: English

Related Subjects

62 RADIOLOGY AND NUCLEAR MEDICINE
COMPUTERIZED TOMOGRAPHY
EVALUATION
SYNCHROTRON RADIATION
DIAGNOSTIC USES
HEART
SPATIAL RESOLUTION
SWINE
X RADIATION
ANIMALS
BODY
BREMSSTRAHLUNG
CARDIOVASCULAR SYSTEM
DIAGNOSTIC TECHNIQUES
DOMESTIC ANIMALS
ELECTROMAGNETIC RADIATION
IONIZING RADIATIONS
MAMMALS
ORGANS
RADIATIONS
RESOLUTION
TOMOGRAPHY
USES
VERTEBRATES
550602* - Medicine- External Radiation in Diagnostics- (1980-)