Emphysema quantification on low-dose CT using percentage of low-attenuation volume and size distribution of low-attenuation lung regions: Effects of adaptive iterative dose reduction using 3D processing

Emphysema quantification on low-dose CT using percentage of low-attenuation volume and size distribution of low-attenuation lung regions: Effects of adaptive iterative dose reduction using 3D processing

Highlights • Emphysema quantification (LAV% and D ) was affected by image noise on low-dose CT. • For LAV% and D , AIDR 3D improved agreement of quantification on low-dose CT. • AIDR 3D has the potential to quantify emphysema accurately on low-dose CT.

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Veröffentlicht in:European journal of radiology 2014-12, Vol.83 (12), p.2268-2276
Hauptverfasser: Nishio, Mizuho, Matsumoto, Sumiaki, Seki, Shinichiro, Koyama, Hisanobu, Ohno, Yoshiharu, Fujisawa, Yasuko, Sugihara, Naoki, Yoshikawa, Takeshi, Sugimura, Kazuro
Format: Artikel
Sprache:eng
Schlagworte:
Aged
COPD
Female
Humans
Imaging, Three-Dimensional
Iterative reconstruction
Low-dose CT
Lung - diagnostic imaging
Lung Diseases - diagnostic imaging
Male
Middle Aged
Pulmonary Emphysema - diagnostic imaging
Quantitative evaluation
Radiation Dosage
Radiographic Image Interpretation, Computer-Assisted
Radiology
Tomography, X-Ray Computed - methods
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Zusammenfassung:Highlights • Emphysema quantification (LAV% and D ) was affected by image noise on low-dose CT. • For LAV% and D , AIDR 3D improved agreement of quantification on low-dose CT. • AIDR 3D has the potential to quantify emphysema accurately on low-dose CT.
ISSN:0720-048X
1872-7727
DOI:10.1016/j.ejrad.2014.09.011