Refraction-Enhanced Tomosynthesis of a Finger Joint by X-Ray Dark-Field Imaging
スポンサーリンク
概要
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A finger joint tomogram based on X-ray dark-field imaging (XDFI) was demonstrated using the simplest shift-and-add tomosynthesis algorithm. Raw XDFI image data for tomosynthesis were acquired in a total of 11 views through 10°, in increments of 1°, by rotating the object and detector synchronously. Incident X-ray energy was monochromatic 36.0 keV, derived from synchrotron radiation. The total dosage in acquiring 11 views for raw image data was equivalent to that of one XDFI image. A clear tomogram was obtained of a finger joint (including articular cartilage, which is invisible by conventional tomosynthesis) without an increase in X-ray dosage.
- 2007-07-25
著者
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SHIMAO Daisuke
Department of Material Structure Science, GUAS
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Sugiyama Hiroshi
Photon Factory (pf) Institute Of Materials Structure Science High Energy Accelerator Research Organi
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Ando Masami
Research Institute for Science and Technology, Tokyo University of Science, Noda, Chiba 278-8510, Japan
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Kunisada Toshiyuki
Department of Medical Materials for Musculoskeletal Reconstruction, Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama 700-8558, Japan
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Shimao Daisuke
Department of Radiological Sciences, Ibaraki Prefectural University of Health Sciences, Inashiki-gun, Ibaraki 300-0394, Japan
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