Hydronephrosis

Hydronephrosis due to a kidney stone at the ureteral vesicular junction seen on CT

Massive hydronephrosis as marked by the arrow.

Hydronephrosis — literally "water inside the kidney" — refers to distension and dilation of the renal pelvis and calyces, usually caused by obstruction of the free flow of urine from the kidney. Untreated, it leads to progressive atrophy of the kidney. One or both kidneys may be affected. In cases of hydroureteronephrosis, there is distention of both the ureter and the renal pelvis and calices.

单词	Hydroureteronephrosis
释义	Hydroureteronephrosis 英语百科 Hydronephrosis Hydronephrosis — literally "water inside the kidney" — refers to distension and dilation of the renal pelvis and calyces, usually caused by obstruction of the free flow of urine from the kidney. Untreated, it leads to progressive atrophy of the kidney. One or both kidneys may be affected. In cases of hydroureteronephrosis, there is distention of both the ureter and the renal pelvis and calices.
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Hydroureteronephrosis

Hydronephrosis