OCCURRENCE AND PATHOLOGICAL OBSERVATION OF HYDRONEPHROSIS IN BUFFALO KIDNEY.

The hydronephrosis is an important pathological condition of kidney which involves dilatation of the collecting system of the kidney above the level of the pelvi-ureteric junction. In the present study, a total number of 228 specimens of kidney showing abnormalities were processed for histopathological examination. Out of these, hydronephrosis was recorded in 8 (3.51%) cases. Grossly, the affected kidneys were enlarged and exhibited atrophy of the renal parenchyma along with dilatation of pelvis and loss of medulla. On microscopic examination, dilation of proximal convoluted tubules and cystic dilations in pelvis, calyces and in surrounded tubules were observed. Additionally, degeneration, infiltration and desquamation were also found in the tubular mucosa. The cortex and glomeruli also showed atrophy and mononuclear infiltration in the surrounding interstitial tissue. [ABSTRACT FROM AUTHOR]