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Wilms Tumor What is Wilms tumor? Wilms tumor is a cancerous tumor that starts in the cells of the kidney. It’s the most common type of kidney cancer in children. It’s often found by the time a child is age 5. The tumor can be very large before it’s found. And it may spread

Spinal Muscular Atrophy in Children What is spinal muscular atrophy in children? Spinal muscular atrophy (SMA) is a disease of the nerves and muscles caused by certain genes. It affects the motor neurons in the spinal cord. It causes muscle wasting and weakness. What causes

Chiari Malformation Type I in Children What is a Chiari malformation in children? A Chiari malformation (CM) is a problem with how the brain sits in the skull. The brain normally sits fully inside the skull. With a Chiari malformation, the lower part of the brain (cerebellum)

Hydrocephalus What is hydrocephalus in children? A baby with hydrocephalus has extra fluid in and around the brain. This fluid is called cerebrospinal fluid (CSF). Most CSF is normally found in fluid-filled areas (ventricles) inside the brain. Its purpose is to cushion and

Dysphagia in Children What is dysphagia in children? Dysphagia means trouble swallowing. This condition happens when food or liquids can’t pass easily from your child’s mouth into the throat, down the esophagus, and into the stomach when swallowing. What causes dysphagia in a

Hepatitis in Children What is hepatitis in children? Hepatitis is an inflammation of the liver. It can damage and destroy liver cells. What causes hepatitis in a child? Hepatitis in children can be caused by many things. Your child can get hepatitis by being exposed to a virus

Nosebleed (Epistaxis) in Children What is a nosebleed in children? A nosebleed is bleeding from tissues inside the nose (nasal mucus membranes) caused by a broken blood vessel. The medical word for nosebleed is epistaxis. Most nosebleeds in children occur in the front (anterior)

Anencephaly in Children What is anencephaly in children? Anencephaly is a condition that is present at birth (birth defect). It affects the brain and skull bones. With this condition, the brain isn't fully formed. It often lacks part or all of the cerebrum. The cerebrum is the

Atrioventricular (AV) Canal Defect in Children What is an atrioventricular canal defect in a child? An atrioventricular (AV) canal defect is a congenital heart defect. This means that your child is born with it. AV canal defect is a large hole in the center of the heart. It is

Osteogenesis Imperfecta in Children What is osteogenesis imperfecta in children? Osteogenesis imperfecta (OI) is a rare inherited (genetic) bone disorder that is present at birth. It's also known as brittle bone disease. A child born with OI may have soft bones that break