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Acne in Children What is acne in a child? Acne is a disorder of the hair follicles and sebaceous glands. Hair follicles are the areas around the base or root of each hair. Sebaceous glands are the tiny glands that release oil (sebum) into the hair follicles. The sebum moistens

Encephalitis in Children What is encephalitis in children? Encephalitis is inflammation of the brain. The inflammation causes the brain to swell. This leads to changes in a child's nervous system that can include confusion, changes in alertness, and seizures. Meningitis often

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

Marfan Syndrome in Children What is Marfan syndrome in children? Marfan syndrome is a genetic disorder that affects the body's connective tissue. Connective tissue holds the body's cells, organs, and other tissue together. Connective tissue is also important in growth and

Tourette Syndrome in Children What is Tourette syndrome in children? Tourette syndrome (TS) is a neurological problem. It is also called Tourette disorder. The syndrome causes repeated tics. Tics are sudden, uncontrolled vocal sounds or muscle jerks. Symptoms of TS often start

Macrocephaly in Children What is macrocephaly in a child? Macrocephaly means large head size. In a child, it means when their head is measured, the results are higher than average on a standard growth chart. There are many reasons a baby or child may have a large head size. It

Actinic Keratosis What is actinic keratosis? Actinic keratosis (AK) is a rough, scaly spot or bump on sun-exposed skin. Most people with AK have more than one spot. AK is the most common precancer of the skin. Over time, it can develop into squamous cell skin cancer. Most

Diabetes Insipidus in Children What is diabetes insipidus in children? Diabetes insipidus (DI) is a condition caused by not enough antidiuretic hormone (ADH) in the body. ADH is also known as vasopressin. This is a hormone that helps the kidneys keep the correct amount of water