A pathological study on brain of dogs at necropsy
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Date
2020-02
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Abstract
A pathological study on canine brain tissue was carried out on necropsy cases received at the Department
of Veterinary Pathology Madras Veterinary College, Chennai –600 007 during March to July 2019. Twenty
seven dogs presented for necropsy were considered for the study. The clinical history, age, breed and sex wise
distribution were recorded. Gross changesif any was observed and samples of brain tissues were collected for
histopathological studies. Brain impression smears were stained with William’s modification of van Gieson’s
stain and observed for presence of negri bodies. Out of 27 dogs examined eight cases showed presence of
negri bodies No significant gross changes were observable except for congestion, oedema and haemorrhages.
Histopathological studies revealed non suppurative meningoencephalitis and presence of stray intranuclear
inclusions in glial cells of cerebellum with demyelination ina dog with clinical history of canine distemper.
Brain tissuesof dogs with clinical diagnosis of rabies showed subdural haemorrhages, marked gliosis,
perivascular lymphocytic cuffing, neurophilic vacuolation and presence of intracytoplasmic eosinophilic
inclusions in neurons of cerebral grey matter. Based on our study we report that lesions in brain of canine are
uncommon and was often recorded in viral infections of canine.
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TNV_20thMVC_PP_Feb-2020_PA44
Keywords
Veterinary Science