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Predictive factors of malignancy in dogs with focal liver lesions using clinical data and ultrasonographic features

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Title: Predictive factors of malignancy in dogs with focal liver lesions using clinical data and ultrasonographic features
Authors: Leela-Arporn, Rommaneeya Browse this author
Ohta, Hiroshi Browse this author
Tamura, Masahiro Browse this author
Nagata, Noriyuki Browse this author
Sasaoka, Kazuyoshi Browse this author
Dermlim, Angkhana Browse this author
Nisa, Khoirun Browse this author
Morishita, Keitaro Browse this author
Sasaki, Noboru Browse this author
Nakamura, Kensuke Browse this author
Takagi, Satoshi Browse this author
Hosoya, Kenji Browse this author
Takiguchi, Mitsuyoshi Browse this author →KAKEN DB
Keywords: canine
liver nodule
Issue Date: May-2019
Publisher: 公益社団法人 日本獣医学会
Journal Title: Journal of veterinary medical science
Volume: 81
Issue: 5
Start Page: 723
End Page: 729
Publisher DOI: 10.1292/jvms.18-0673
PMID: 30956270
Abstract: A definitive diagnosis of focal liver lesions (FLLs) requires invasive procedures for histopathologic examination. Thus, a simpler noninvasive diagnostic method, such as conventional ultrasonography combined with clinical data, is needed for the prediction of liver malignancy. The objective of this study was to examine the diagnostic accuracy of clinical data and ultrasonographic (US) features to differentiate benign and malignant liver lesions. Medical records and US images from dogs with FLLs that underwent abdominal US and histopathologic examinations following surgery or liver biopsy were retrospectively reviewed. Clinical data, including signalment, clinical signs and laboratory findings, and the US features of liver lesions that could act as predictive factors were assessed using univariate and multivariate analyses to evaluate the associations between predictive factors and liver malignancy. Based on the histopathologic results, 55 dogs with malignant lesions and 28 dogs with benign lesions were included in the study. The results of univariate analysis showed that several US features and platelet count were significantly associated with liver malignancy. Multivariate analysis revealed that the platelet count (thrombocytosis; odds ratio [OR]: 4.13, 95% confidence intervals [CI]: 1.81-9.41), lesion size (4.1 cm or greater; OR: 23.83, 95% CI: 3.74-151.95) and echotexture of FLLs (heterogenous; OR: 8.44; 95% CI: 1.37-51.91) were independent predictors for differentiating benign and malignant liver lesions, suggesting that a combination of clinical data and US findings of FLLs could predict liver malignancy in dogs.
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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