Helical differential X-ray phase-contrast computed tomography

被引：15

作者：

Fu, Jian ^{[1
]}

Willner, Marian ^{[2
]}

Chen, Liyuan ^{[1
]}

Tan, Renbo ^{[1
]}

Achterhold, Klaus ^{[2
]}

Bech, Martin ^{[2
,3
]}

Herzen, Julia ^{[4
]}

Kunka, Danays ^{[5
]}

Mohr, Juergen ^{[5
]}

Pfeiffer, Franz ^{[2
]}

机构：

[1] Beijing Univ Aeronaut & Astronaut, Beijing 100191, Peoples R China

[2] Tech Univ Munich, D-85748 Garching, Germany

[3] Lund Univ, Dept Med Radiat Phys, S-22185 Lund, Sweden

[4] Helmholtz Zentrum Geesthacht, Inst Mat Res, D-22607 Hamburg, Germany

[5] Karlsruhe Inst Technol, Inst Microstruct Technol, D-76344 Eggenstein Leopoldshafen, Germany

来源：

PHYSICA MEDICA-EUROPEAN JOURNAL OF MEDICAL PHYSICS | 2014年 / 30卷 / 03期

基金：

中国国家自然科学基金; 欧洲研究理事会;

关键词：

Differential phase-contrast; Computed tomography; Helical scan; GRATING INTERFEROMETER; SYNCHROTRON-RADIATION; CT; RECONSTRUCTION; SCAN;

D O I：

10.1016/j.ejmp.2014.01.005

中图分类号：

R8 [特种医学]; R445 [影像诊断学];

学科分类号：

1002 ; 100207 ; 1009 ;

摘要：

We report on the first experimental results of helical differential phase-contrast computed tomography (helical DPC-CT) with a laboratory X-ray tube source and a Talbote-Lau grating interferometer. The results experimentally verify the feasibility of helical data acquisition and reconstruction in phase-contrast imaging, in analogy to its use in clinical CT systems. This allows fast and continuous volumetric scans for long objects with lengths exceeding the dimension of the detector. Since helical CT revolutionized the field of medical CT several years ago, we anticipate that this method will bring the same significant impact on the future medical and industrial applications of X-ray DPC-CT. (C) 2014 Associazione Italiana di Fisica Medica. Published by Elsevier Ltd. All rights reserved.

引用

页码：374 / 379

页数：6

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