Light and electron microscopy of the kidney tissues on viral haemorrhagic disease in rabbits
1989
Kim, J.H. | Chung, C.Y. | Park, N.Y. (Chonnam National Univ., Kwangju (Korea R.). Coll. of Veterinary Medicine)
In order to observe the pathological changes of kidney in rabbits infected with the viral haemorrhagic disease, the kidney tissues from the 91 rabbits infected with the viral haemorrhagic disease were examined by light and electron microscopy. On light microscopic observation, the kidney lesions were identified as haemorrhagic glomerular necrosis (33.0 %), membranous glomerulonephritis (20.9 %), thrombotic glomerulopathy (19.8 %) membranoproliferative glomerulonephritis (8.8 %), mesangial proliferative glomerulonephritis (8.8 %) ischemic acute tubular necrosis (7.7 %), and acute serous glomerulitis (6.6 %). On electron microscopic observation, cytoplasmic degeneration of mesangial cells, and irregular thickening of basement membranes with electron dense granular materials were observed. In podocytes swelling of mitochondria, dilatation of endoplasmic reticulum and extensive fusion of foot processes were also observed. Nonenveloped round icosahedral picornaviral particles with a diameter of 28-33nm were detected in the cytoplasm of degenerative endothelial cells, polymorphonuclear leucocytes, and monocytes
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