遊走腎の形態学的研究

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One hundred and fifty-five cases of nephropexy for movable kidney were experienced from 1967 to 1971 at the Department of Urology, Nagoya University Hospital. The upper urinary stasis was investigated in these cases both roentgenologically and pathohistologically. Urography showed the upper urinary stasis in 30.3%. The stasis was frequently seen particularly in the cases with kink at the ureteropelvic junction. Number of such cases increased according to grade of movability. Pathohistology of the kidney showed low grade of fluid stasis in the Bowman's capsule as well as fluid stasis and dilatation of the tubulus quite frequently. These findings were highly frequent particularly in those having urographical stasis of the upper urinary tract and were more advanced than those without urographical stasis. It was concluded that movable kidney with kink at the ureteropelvic junction may cause the upper urinary stasis which may then result the histological changes in the kidney, namely hydronephrotic changes. Clinical features and results of the operation were also investigated, and the indications of nephropexy were discussed.
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