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What term describes involuntary discharge of urine during sleep?

Occurs when valves at the junction of the ureter and bladder allow urine from the bladder to back up into the ureter and kidney:

The normal size of the neonatal adrenal gland is:

When a sonographer examines any infant or child with an abdominal mass, all of the following should be determined except:

What congenital error of the metabolism involves a deficiency of one of several enzymes necessary for normal steroid biosynthesis?

The deposit of calcium in the kidneys is known as: 

The most common adrenal tumors of childhood are:

Hamartomatous masses frequently associated with tuberous sclerosis are known as:

What is the most common renal anomaly in infants and children that is frequently diagnosed in utero?

The most frequent site of obstruction in children is at the_____________________.