Gross, histopathological and immunohistochemical study on strobilocercus of Taenia taeniaeformis infection in the liver of laboratory rats (Rattus norvegicus) in India
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Date
2017
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Abstract
We report the detailed gross, histopathological and immunohistochemical study of
Strobilocercus fasciolaris infection, the metacestodal stage of Taenia taeniaeformis, in the liver of
laboratory Wistar rats. Necropsy examination of seventeen rats revealed transparent or white
or cream to clear, thick walled cysts, 1 to 97 in number, measuring about 2 mm to 12 mm on
one or many of the liver lobes and containing strobilocercus of Taenia taeniaeformis.
Histopathological examination revealed the presence of the cross-section of larva surrounded
by a thick fibrous capsule and moderate infiltration of lymphocytes, plasma cells and a few
eosinophils. Fatty degeneration of hepatocytes, gastric mucosal hyperplasia, distended gastric
glands and marked increase in the mucosal epithelial cells and goblet cells in the duodenum
were also observed. Contamination of feed and bedding materials seems to be the probable
source in these naturally infected rats.
Description
TNV_VP_2017-10
Keywords
Veterinary Science