Dual energy computed tomography virtual monoenergetic imaging: technique and clinical applications

被引：126
|
作者：
D'Angelo, Tommaso [1 ,2 ]
Cicero, Giuseppe [1 ]
Mazziotti, Silvio [1 ]
Ascent, Giorgio [1 ]
Albrecht, Moritz H. [2 ]
Martin, Simon S. [2 ]
Othman, Ahmed E. [3 ]
Vogl, Thomas J. [2 ]
Wichmann, Julian L. [2 ]
机构：
[1] Univ Hosp Messina, Policlin G Martino, Dept Biomed Sci & Morphol & Funct Imaging, Messina, Italy
[2] Univ Hosp Frankfurt, Div Expt Imaging, Dept Diagnost & Intervent Radiol, Frankfurt, Germany
[3] Eberhard Karls Univ Tubingen, Dept Diagnost & Intervent Radiol, Tubingen, Germany
来源：
BRITISH JOURNAL OF RADIOLOGY | 2019年 / 92卷 / 1098期
关键词：
METAL-ARTIFACT-REDUCTION; KILOELECTRON-VOLT-SETTINGS; LATE IODINE-ENHANCEMENT; RECONSTRUCTION ALGORITHM IMPROVES; HYPOATTENUATING LIVER-LESIONS; INCIDENTAL PULMONARY-EMBOLISM; RENAL CYST PSEUDOENHANCEMENT; MULTIDETECTOR ROW CT; BONE-MINERAL DENSITY; TO-NOISE RATIO;
D O I：
10.1259/bjr.20180546
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：
Dual energy CT (DECT) has evolved into a commonly applied imaging technique in clinical routine due to its unique post-processing opportunities for improved evaluation of all body areas. Reconstruction of virtual monoenergetic imaging (VMI) series has shown beneficial effects for both non-contrast and contrast-enhanced DECT due to the flexibility to calculate low-keV VMI reconstructions to increase contrast and iodine attenuation, or to compute high-keV VMI reconstructions to reduce beam-hardening artefacts. The goal of this review article is to explain the technical background of VMI and noise-optimized VMI+ algorithms and to give an overview of useful clinical applications of the VMI technique in DECT of various body regions.
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页数：14
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