Ultrasonographic examination of the liver in cows.
The size of the liver, as well as the situation and diameter of vessels in cattle were determined by use of ultrasonography. Ultrasonographic examinations of the liver were performed on 10 cows 10 times within 2 weeks, using a 3.5-MHz linear transducer on the right side in the 12th, 11th, and 10th intercostal spaces. Dorsal and ventral margin of the liver as well as localization and diameter of the caudal vena cava and the portal vein were determined in each intercostal space. Furthermore, the angle of the liver in the ventral area between the visceral surface and the diaphragmatic surface, the dorsal margin, and the circumference of the gall bladder were determined. The ultrasonographic values of liver size and localization in healthy cows can be used as reference values for the diagnosis of changes in liver size attributable to illness.
Braun
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Department of Veterinary Medicine, Veterinary Faculty, University of Zurich, Switzerland.
D000818:Animals; D002417:Cattle; D005260:Female; D007366:Intercostal Muscles / Q000000981:diagnostic imaging; D008099:Liver / Q000000981:diagnostic imaging*; D011169:Portal Vein / Q000000981:diagnostic imaging; D011247:Pregnancy; D014463:Ultrasonography; D014683:Vena Cava, Superior / Q000000981:diagnostic imaging*