Quantitative analysis of hydrocephalic ventricular alterations in Yorkshire terriers using magnetic resonance imaging

D.-C. Woo, C.-B. Choi, J.-W. Nam, K.-N. Ryu, G.-H. Jahng, S.-H. Lee, D.-W. Lee, S.-Y. Kim, H.-Y. Kim, K.-J. Ahn and B.-Y. Choe
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D.-C. Woo: College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
C.-B. Choi: Kyunghee University Medical Center, Seoul, Republic of Korea
J.-W. Nam: College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
K.-N. Ryu: Kyunghee University Medical Center, Seoul, Republic of Korea
G.-H. Jahng: East-West Neo Medical Center, Kyung-Hee University, Seoul, Korea
S.-H. Lee: College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
D.-W. Lee: College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
S.-Y. Kim: College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
H.-Y. Kim: College of Veterinary Medicine, Konkuk University, Seoul, Republic of Korea
K.-J. Ahn: College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea
B.-Y. Choe: College of Medicine, The Catholic University of Korea, Seoul, Republic of Korea

Veterinární medicína, 2010, vol. 55, issue 3, 125-132

Abstract: The purpose of this work was to evaluate hydrocephalic ventricular changes using three quantitative analysis methods. The height, area and volume of the ventricles and brain were measured in 20 Yorkshire terriers (10 normal and 10 hydrocephalic dogs) using low-field MR imaging (at 0.2 Tesla). All measurements were averaged and the relative ventricle size was defined as a percentage (percent size of the ventricle/size of the brain). The difference between normal and hydrocephalic dogs was statistically significant for the average of each ventricle as well as for the percentage value. Five hydrocephalic symptoms were identified: circling, head tilting, seizures, ataxia, and strabismus. With respect to height, area and volume of the brain/ventricle, the difference between normal and hydrocephalic dogs was not significant. The ventricle/brain with height (1D) was related to the area (2D) and volume (3D). The correlations with area and volume were as good as the ventricle/brain height ratio in the case of hydrocephalic dogs. Therefore, one-, two- and three-dimensional quantitative methods may be complementary. We expect that the stage of hydrocephalic symptoms can be classified if statistical significance for ventricular size among symptoms is determined with the analysis of a large number of hydrocephalic cases.

Keywords: hydrocephalus; ventricles; magnetic resonance imaging; Yorkshire terrier (search for similar items in EconPapers)
Date: 2010
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Persistent link: https://EconPapers.repec.org/RePEc:caa:jnlvet:v:55:y:2010:i:3:id:127-2009-vetmed

DOI: 10.17221/127/2009-VETMED

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