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Ultrasonography of the liver in cattle


Braun, U (2009). Ultrasonography of the liver in cattle. Veterinary Clinics of North America: Food Animal Practice, 25(3):591-609.

Abstract

Hepatic diseases are of great importance in cattle. Fascioliasis, hepatic abscesses,
hepatic neoplasia, metabolic disturbances (eg, fatty liver disease) and diseases of
major vessels (eg, thrombosis of the caudal vena cava) caused by hepatic abscesses
that have broken into the vein are some examples. Until recently, diagnosis of many
hepatic diseases was difficult because signs may be nonspecific. In many cases, diagnostic
methods such as hepatospecific enzyme tests are insufficient. A complete
ultrasonographic examination of the liver should give detailed information about the
size, position, and ultrasonographic parenchymal pattern of the liver, the size and
position of the gallbladder and the intra- and extrahepatic bile ducts, and the topography
of the major vessels. Ultrasound-guided collection of hepatic biopsy samples,
centesis and aspiration of abscesses, and cholecystocentesis and aspiration of bile
samples (for examination for fluke eggs and determination of bile acids concentration)
can be performed safely. In the first part of this article, the methods of ultrasonographic
examination of the liver and the ultrasonographic appearance of the normal
liver are discussed, followed in the second part by a description of specific liver
diseases.

Abstract

Hepatic diseases are of great importance in cattle. Fascioliasis, hepatic abscesses,
hepatic neoplasia, metabolic disturbances (eg, fatty liver disease) and diseases of
major vessels (eg, thrombosis of the caudal vena cava) caused by hepatic abscesses
that have broken into the vein are some examples. Until recently, diagnosis of many
hepatic diseases was difficult because signs may be nonspecific. In many cases, diagnostic
methods such as hepatospecific enzyme tests are insufficient. A complete
ultrasonographic examination of the liver should give detailed information about the
size, position, and ultrasonographic parenchymal pattern of the liver, the size and
position of the gallbladder and the intra- and extrahepatic bile ducts, and the topography
of the major vessels. Ultrasound-guided collection of hepatic biopsy samples,
centesis and aspiration of abscesses, and cholecystocentesis and aspiration of bile
samples (for examination for fluke eggs and determination of bile acids concentration)
can be performed safely. In the first part of this article, the methods of ultrasonographic
examination of the liver and the ultrasonographic appearance of the normal
liver are discussed, followed in the second part by a description of specific liver
diseases.

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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:05 Vetsuisse Faculty > Veterinary Clinic > Department of Farm Animals
Dewey Decimal Classification:570 Life sciences; biology
630 Agriculture
Language:English
Date:November 2009
Deposited On:06 Jan 2010 15:13
Last Modified:06 Dec 2017 22:47
Publisher:Elsevier
ISSN:0749-0720
Publisher DOI:https://doi.org/10.1016/j.cvfa.2009.07.003
PubMed ID:19825435

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