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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

Brain Tumors in Children What are brain tumors in children? A brain tumor is an abnormal growth of tissue in the brain. The brain is part of the central nervous system (CNS). The CNS also includes the spinal cord. The main parts of the brain are: Cerebrum. This is the front of

Osteosarcoma (Osteogenic Sarcoma) in Children What is osteosarcoma in children? Osteosarcoma is very rare, but it's the most common kind of bone cancer in children and teens. It's most common in teens and young adults. Osteosarcoma is cancer that starts in the bone. The cancer

Hepatoblastoma in Children What is hepatoblastoma in children? Hepatoblastoma is a very rare cancer that starts in the liver. It usually affects children less than 3 years of age. About half of all children with it are diagnosed before age 1. It usually doesn’t spread

Prematurity What is prematurity? A baby born before 37 weeks of pregnancy is considered premature or born too early. Other terms used for prematurity are preterm and the nicknames "preemie" or "premie". About 1 in every 10 infants are born prematurely. Twins and other multiples

Depression What is depression? Depression is a whole-body illness. It involves the body, mood, and thoughts. Depression affects the way you eat and sleep. It also can affect the way you feel about yourself, the people around you, and other things. It's not the same as being

Microcephaly in Children What is microcephaly in children? Microcephaly is a condition where a baby's head is much smaller than normal. It is most often present at birth (congenital). Most children with microcephaly also have a small brain and an intellectual disability. Some

Topic Index - Eye Care Eye Care Home Anatomy of the Eye Eye Care Specialists Eye Examinations Correcting or Improving Vision Eye Glasses and Contact Lenses Corrective Eye Surgeries for Refractive Errors Low Vision Devices Eye Disorders Overview of Eye Disorders Age-Related

Obstructive Sleep Apnea in Children What is obstructive sleep apnea in children? Obstructive sleep apnea is when a child briefly stops breathing while sleeping. It happens because of a blockage in the upper airway. This is the passages through the nose and mouth to the windpipe

Acne What is acne? Acne is a disorder of the hair follicles and oil glands (sebaceous glands). The oil glands secrete oils (sebum) to keep the skin moist. When the glands get clogged, it can lead to pimples and cysts. Acne is very common. People of all races and ages have acne