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Glomerulonephritis in Children What is glomerulonephritis in children? The kidneys contain many coils of tiny blood vessels. Each of these is called a glomerulus. Glomeruli filter substances from the blood into the urine. Glomerulonephritis is a type of kidney disease where these

Hydrocele in Children What is a hydrocele in children? A hydrocele is fluid buildup in the thin pouch that holds the testes in the scrotum. Up to 1 in 10 baby boys have a hydrocele at birth. In most cases, it goes away without treatment in the first year. What causes a hydrocele

Inguinal Hernia in Children What is an inguinal hernia in children? A hernia occurs when a part of the intestine or other abdominal tissue pushes through a weakness in the belly (abdominal) muscles. A soft bulge shows up under the skin where the hernia is. A hernia in the groin

Megaureter in Children What is megaureter in children? Megaureter is a ureter that is much wider than normal. The ureters are the tubes that carry urine from the kidneys to the bladder. A ureter that is wider than 3/8 inch is a megaureter. A megaureter may not drain urine

Neurogenic Bladder in Children What is neurogenic bladder in children? Neurogenic bladder means the bladder doesn't work normally because of nerve damage. It causes a child to have problems with holding or releasing urine. The muscles and nerves of the urinary system work

Polycystic Kidney Disease What is polycystic kidney disease (PKD)? Polycystic kidney disease (PKD) is a rare genetic disorder. It causes many cysts filled with fluid to grow in the kidneys. PKD cysts can impair how the kidneys work. It can lead to kidney failure. PKD is the

Posterior Urethral Valves in Children What are posterior urethral valves in children? Posterior urethral valves are a problem with the urethra in a boy. The urethra is the tube that drains urine from the bladder to the outside of the body. Posterior urethral valves are small

Testicular Torsion in Children What is testicular torsion in children? Testicular torsion is a painful twisting of the testicles and spermatic cord. The spermatic cord is a set of nerves, ducts, and blood vessels that leads from the groin to the testicles. Torsion can happen to 1

Ureterocele and Ureteral Duplication in Children What is a ureterocele and ureteral duplication in children? A ureterocele is a problem with a ureter. The ureter is a tube that connects the kidney to the bladder. There is 1 ureter for each kidney. The ureters send urine from the

Anomalous Coronary Artery (ACA) in Children What is an ACA in a child? An anomalous coronary artery (ACA) is a heart defect. This is something your baby is born with (congenital). In ACA, the blood vessels that supply blood to your child's heart muscle aren't normal. In some