Microscopic changes in kidneys of cats at the subacute form of infectious peritonitis.

Authors

  • B. Borisevich National University of Life and Environmental Sciences of Ukraine
  • V. Lisova National University of Life and Environmental Sciences of Ukraine
  • M. Krishtop National University of Life and Environmental Sciences of Ukraine

DOI:

https://doi.org/10.31548/ujvs2019.02.013

Abstract

The results of the study of microscopic changes in kidneys of cats, died from subacute
formof infectious peritonitisare presented. At the dissection in 19 cats we diagnosed mixed form of in-
fectious peritonitis (73,1 % cases), and in 7 cats – dry mixed form of infectious peritonitis (26,9 % cases).
At the histological examination we found, that microscopic changes in in kidneys of all cats atmixed and
dryformof infectious peritonitis was similar, but that changes depended from the at life illness duration.
At the subacute formof infectious peritonitis in renal corpuscles initially registered necrosis and destroy-
ing of podocytes and the part of blood capillaries of glomeruli, and later – the atrophy and fully necrosis
of renal corpuscles. In renal tubules registered grain and vacuole dystrophy of their epithelial cells, and
destroying of part of such cells. The stroma of kidneys was edematous, especially around arteries. In
some arteries we observed pronounced edema of adventitia. In veins registered grain and vacuole dys-
trophy of cells of adventitia and media, and in some veins – necrosis and destroying of cells of all layers of
wall. In the part of veins formed mixed, mainly obturative thrombi. Near such veins often localized focus-
es of lymphoid infiltration of stroma and was seen the necrosis of renal corpuscles. At later in the cortex
stroma was grown fibrous connective tissue. At this period registered full disorganization of convoluted
tubules. Among epithelial cells of this tubules localized macrophages.
Keywords: cats, infectious peritonitis, dry form, mixed form, myocardial form, mixedform, kidneys,
microscopicchanges

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Published

2019-05-30

Issue

Vol. 10 No. 2 (2019)

Section

Article

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