Ultrasonogram patterns and echo mean values of the liver and gall bladder in dogs with suspected hepatobiliary disorders

Issue Date

7-2012

Abstract

In order to determine the changes that occur in the liver and gall bladder in dogs with suspected hepatobiliary disorders based on clinical signs, hematology and serum biochemistry, 33 dogs of various breeds, ages and sexes were examined ultrasonographically. The ultrasonogram patterns observed in the liver and gall bladder were characterized and echogenicity of the organs with different patterns were determined using digital analysis. The six ultrasonograms patterns observed in the liver include: HPl - homogenous hypoechoic parenchyma (4 dogs); HP2 - anechoic ovoid structures within the hepatic parenchyma with acoustic enhancement (2 dogs); HP3 liver lobes defined by the presence of fluid with rounded margin and hyperechoic parenchyma (3 dogs); HP4 - homogenous hyperechoic parenchyma (4 dogs); HP5 - multiple hyperechoic areas scattered in the parenchyma (9 dogs); and HP6 - distinct focal masses in the parenchyma with mixed echogenicity (12 dogs). The six ultrasonogram patterns observed in the gall bladder include: GBl - oval and round shaped with anechoic lumen (3 dogs); GB2 - irregularly shaped with anechoic lumen (1 dog); GB3 - oval shape with hyperechoic structure casting acoustic shadow (1 dog); GB4 - gall bladder with central echogenic bile forming a stellate pattern with anechoic periphery (1 dog); GB5 - irregularly shaped with corpuscular echogenicities (4 dogs); and GB6 - thickened wall with corpuscular echogenicities (13 dogs). For echo mean values of the hepatic parenchyma, HP2 showed the lowest echo mean value while HP3, HP4, HP5 and HP6 revealed echo mean values which were higher than that of the normal hepatic parenchyma (HPl). For gallbladder, GBl and GB2 showed the lowest echo mean values, while GB3 showed the highest echo mean value. GB4, GB5 and GB6 showed higher echo mean values than that of the normal gallbladder lumen (GBl). The above results can be used to characterize the lesions in the liver and gall bladder in dogs with suspected hepatobiliary disorders.

Source or Periodical Title

Philippine Journal of Veterinary Medicine

ISSN

0031-7705

Volume

49

Issue

2

Page

67-75

Document Type

Article

Physical Description

illustrations, tables

Language

English

Subject

Dog, Gall bladder, Hepatobiliary disorders, Liver, Ultrasonogram pattern, Ultrasound

Digital Copy

yes

Link to Full Text

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