Our Hydronephrosis Main Article provides a comprehensive look at the who, what, when and how of Hydronephrosis
Medical Definition of Hydronephrosis
Hydronephrosis: Distention of the kidney with urine. Hydronephrosis is caused by obstruction of urine outflow (for example, by a stone blocking the ureter).
Last Editorial Review: 6/9/2016
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