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Some common alterations of renal and urinary tract function in children include: Hydronephrosis: A blockage that causes urine to back up into the kidney, making it appear enlarged on an ultrasound Reflux: A valve-like mechanism at the point where the ureter joins the bladder doesn't work, allowing urine to wash back up into the kidney Ureteropelvic junction obstruction: A blockage in the area where the renal pelvis meets the ureters Ureterovesical junction obstruction: A blockage in the area where the ureter meets the bladder Multicystic dysplastic kidney: When fluid-filled sacs or cysts replace normal kidney tissue Polycystic kidney disease: Usually inherited, in which the kidneys are replaced by fluid-filled cysts, often leading to renal failure
Other common conditions of the urinary tract in children include: Urinary tract obstruction such as a calculus, or an obstructive posterior urethral valve
Related Test: Pathophysiology Practice Test: Alterations of Renal and Urinary Tract Function
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