Changes in lymph and blood vessels were studied in 110 dogs with acute and chronic cholecystitis. It was established that in the period of development of acute inflammatory processes in the gall bladder the monolayer network of hepatic capillaries was changed into bi-layer, took place the formation of plane networks at the side of the lobule and lacunary dilatations in the site of fusion of lymph capillaries, dilatation and deformation of lymph capillaries and vessels. Under conditions of chronic cholecystitis fibrosis and sclerosis of the portal tracts were accompanied by intensive growth (and reduction - in parallel) of lymph capillaries. Thick small-looped network was observed to develop around false lobules during development of cyrrhosis. A conclusion is made that early cholecystectomy is necessary in cases of inflammatory diseases of the gallbladder.
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