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An area ratio of thyroid gland to common carotid artery for evaluating the thyroid gland size

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Title: An area ratio of thyroid gland to common carotid artery for evaluating the thyroid gland size
Authors: Sasaki, Noboru Browse this author
Nagata, Noriyuki Browse this author
Morishita, Keitaro Browse this author
Osuga, Tatsuyuki Browse this author
Sasaoka, Kazuyoshi Browse this author
Yokoyama, Nozomu Browse this author
Ohta, Hiroshi Browse this author
Takiguchi, Mitsuyoshi Browse this author →KAKEN DB
Keywords: canine hypothyroidism
non-thyroid illness
thyroid gland
Issue Date: Jul-2020
Publisher: 公益社団法人 日本獣医学会 (The Japanese Society of Veterinary Science)
Journal Title: Journal of veterinary medical science
Volume: 82
Issue: 7
Start Page: 1012
End Page: 1016
Publisher DOI: 10.1292/jvms.20-0183
Abstract: The feasibility of ultrasonographic measurement of thyroid gland area to common carotid artery (TG:CCA) was investigated. Twenty-one healthy, 12 hypothyroid and 18 non-thyroid illness (NTI) dogs were evaluated. The area of thyroid lobe and common carotid artery in right and left sides were measured using the same ultrasonographic images in transverse plane. The average of the right and left ratio was calculated as TG:CCA. The median TG:CCA of 21 healthy dogs was 1.53, and it did not correlate either body weight or age. The median TG:CCA of 12 hypothyroid dogs was 0.81, which was significantly lower than that of 18 NTI dogs (1.81, P<0.001). If the cut off value <1.12 was used, TG:CCA indicated hypothyroidism with a sensitivity of 100%, specificity of 83%, and accuracy of 90%. Our data indicated that TG:CCA was independent of both body weight, which may contribute to consistent measurement of thyroid size. The results of this study suggest that TG:CCA is a promising tool for diagnosing canine hypothyroidism.
Type: article
Appears in Collections:獣医学院・獣医学研究院 (Graduate School of Veterinary Medicine / Faculty of Veterinary Medicine) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

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