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KMID : 1094020140310050376
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Journal of Veterinary Clinics
2014 Volume.31 No. 5 p.376 ~ p.381
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Quantitative CT Evaluation for Lung Volume and Density in Dogs
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Choi Soo-Young
Lee In
Jeong Woo-Chang
Lee Young-Won
Choi Ho-Jung
Heng Hock-Gan
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Abstract
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In this study, we analyzed the computed tomography (CT) measurements of lung volume and density indogs with relation to body weight, age, sex, and breed. The multi-detector CT examination of the thorax was performedon dogs without respiratory or cardiovascular diseases. Three-dimensional reconstruction of CT images facilitatedmeasurement of lung volume and density. There was a statistical significant correlation between body weight and lungvolume (p < 0.0001). Lung density significantly decreased with an increase in body weight (p = 0.0078). However,no correlation was seen between these lung parameters and either sex or age of the dogs. In conclusion, this studyshows that body weight is an important factor to consider when interpreting total lung volume and density valuesmeasured by quantitative CT. We highlight the need for further study using quantitative CT in identifying the potentialeffects of sex, age, and disease status on these parameters.
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KEYWORD
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lung density, lung volume, dogs, CT
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