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Veterinary Pathology, Vol 18, Issue 1 92-109, Copyright © 1981 by American College of Veterinary Pathologists

ARTICLES

Liquoid-induced renal lesions in the dog

A. J. Spencer, N. G. Wright and I. Macmillan

The role of fibrin in the pathogenesis of renal glomerular scarring in the dog was studied. Fibrin deposition, resulting from disseminated intravascular coagulation, was induced by intravenous injection of Liquoid (sodium polyanethol sulphonate). Thirty-eight puppies were killed from 30 minutes to 39 days after treatment, and the renal lesions examined by light, electron and immunofluorescence microscopy. The major acute lesions in the glomeruli were capillary thrombosis, mesangial and endothelial cell swelling and phagocytosis of fibrin, polymorphonuclear leukocyte infiltration and necrosis. Animals that recovered from this acute phase had focal glomerular scars. Affected glomeruli showed combinations of mesangial enlargement, focal tuft hypercellularity, collagen formation, thickening, wrinkling and duplication of the glomerular basement membranes, and some capsular adhesions. These observations indicate that fibrin deposition can be an important mechanism in glomerular scarring in the dog.




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Copyright © 1981 by the American College of Veterinary Pathologists.