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KMID : 0358319730140040251
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Korean Journal of Urology
1973 Volume.14 No. 4 p.251 ~ p.255
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Studies on Restoration of Functional and Morphological Damage of the Kidney Induced by Ureteral Ligation Histopathological Observation on Experimental Hydronephrosis
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최희석/Choi HS
김영균/Kim YK
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Abstract
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Experimental hydronephrosis was induced in rabbit by ureteral ligation, then deligation followed after certain experimental period as designed. Histopathological changes of the kidney and restoration of hydronephrosis were studied and the following results were obtained: 1. Ligation of the ureter for 3
days produced mild to moderate degrees of tubular dilatation. irregular proliferation and dilatation of small arterioles. Deligation initiates regeneration of the tubules at 1 week and almost normal histology returns by 3 weeks. 2. Ligation of the ureter for 5,7 and 14 days causes marked tubular dilatation, atrophy of the .cortex, and partial obliteration of the glomerulus. By 3 weeks after deligation, the tubules seem to partially regenerate but no significant histological changes were observed. 3. Ligation of the ureter for 21 to 60 days causes formation of scar, marked obliteration of the glomerulus and compensatory hypertrophy of the remaining glomerulus. No morphological restoration was observed by 3 weeks after deligation. 4. It seems that histological restoration starts at periglomerular tubules located closer to the cortex toward the medulla.
Key Word : experimental hydronephrosis
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KEYWORD
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