Novel concept for coherent scatter X-ray computed tomography in medical applications

被引：13
|
作者：
Schlomka, JP [1 ]
Schneider, SM [1 ]
Harding, G [1 ]
机构：
[1] Philips Res Labs, D-22335 Hamburg, Germany
来源：
PENETRATING RADIATION SYSTEMS AND APPLICATIONS II | 2000年 / 4142卷
关键词：
computed tomography; CT imaging; medical imaging; X-ray scattering; coherent scattering; radiology; tissue characterization;
D O I：
10.1117/12.410565
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We demonstrate for the first time the feasibility of Coherent Scatter Computed Tomography (CSCT) with a fan geometry primary beam. CSCT allows superior tissue characterization and diagnosis by reconstructing the structure function rather than the attenuation properties as in regular CT. To study the feasibility of CSCT, Monte-Carlo based simulations of scatter distributions of technical phantoms were carried out. The projection data were used as input for a novel algebraic reconstruction technique (ART) which takes account of the details of the measurement geometry. First results are discussed showing the potential of CSCT. The influence of achievable angular collimation quality is investigated and an outlook on future work is given.
引用
收藏
页码：218 / 224
页数：3
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