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Morphometric evaluation of canine hepatocellular carcinoma using computed tomography: a promising tool for predicting malignancy

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Title: Morphometric evaluation of canine hepatocellular carcinoma using computed tomography: a promising tool for predicting malignancy
Authors: Leela-Arporn, Rommaneeya Browse this author
Ohta, Hiroshi Browse this author
Shimb, Genya Browse this author
Sasaki, Noboru Browse this author →KAKEN DB
Takiguchi, Mitsuyoshi Browse this author →KAKEN DB
Keywords: differentiation
dog
hepatic tumor
morphometry
Issue Date: Sep-2021
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: 83
Issue: 8
Start Page: 1459
End Page: 1464
Publisher DOI: 10.1292/jvms.21-0218
Abstract: The size of canine focal liver lesions (FLLs) is known to be one of the predicting criteria for malignancy. However, there are discrepancies for the measurement of maximum lesion size, resulting in contradicting results among studies and incidences of false positive outcomes. Thus far, the morphometric changes of FLLs for distinguishing malignancy from benignancy remains undocumented. This study aimed to investigate morphometric characteristics of FLLs using computed tomography (CT). CT images of 40 dogs with histopathological confirmation of 49 liver lesions, including 39 hepatocellular carcinomas and 10 nodular hyperplasias were retrospectively reviewed. The morphometric parameters including size (long and short axis diameters measured on transverse image), shape (measured by long to short axis (L/S) ratio), volume, and surface appearance of a liver lesion were evaluated using univariate and stepwise multivariate analyses, respectively. The results of univariate analysis showed that long and short axis diameters, L/S ratio, volume, and surface appearance of a lesion were significantly different between hepatocellular carcinomas and nodular hyperplasias. Multivariate analysis revealed that short axis diameter (>3.30 cm; odds ratio (OR): 36.1, 95% confidence interval (CI): 3.36-387.05, P=0.0031) and L/S ratio (>1.23; OR: 18.1, 95% CI: 1.61-205.12, P=0.0191) were independent predictors of malignancy, with the area under the curve of 0.9154. These results suggest that the combination of short axis diameter and L/S ratio is a promising tool for predicting liver malignancy with outstanding discriminating ability.
Type: article
URI: http://hdl.handle.net/2115/83494
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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