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Pericarditis is inflammation or infection of the pericardium. The pericardium is 2 thin layers that surround the heart. Normally, there is a small amount of fluid between the layers of the pericardium. ...

Pheochromocytoma is a tumor of the adrenal glands. The tumor makes hormones called epinephrine and norepinephrine. This leads to an excess of the hormones in the body. ...

Polycythemia vera is a serious, but very rare blood disorder in children. With polycythemia vera, the bone marrow makes too many red blood cells. ...

Rhinitis is a reaction that happens in the eyes, nose, and throat when allergens in the air trigger the release of histamine in the body. Allergic rhinitis can happen on a seasonal basis or year-round. ...

Adenoids are similar to the tonsils. The adenoids are made up of lymph tissue and are located in the space above the soft roof of the mouth (nasopharynx) and cannot be seen by looking in your child's nose or throat. ...

It was likely that Jack was born with the tumor that was discovered when he was just 15 months old. Learn how St. Louis Children's Hospital and Washington University Physicians helped Jack return home. ...

Overview Chorioamnionitis [chor-y-oh-am-nee-oh-NY-tis] is an infection of the placenta and the amniotic fluid. Only a few women get it, but, it is a common cause of preterm labor and delivery. Causes Chorioamnionitis is most often caused by bacteria commonly found in the vagina. It happens ...

Overview A corneal abrasion is a scratch or scrape on the cornea. This is the clear, dome-shaped surface that covers the front of the eye. Causes There are many things that can cause an abrasion to your child’s cornea. The more common causes include: Foreign ...

A burn is damage to tissues of the body caused by contact with things such as heat, radiation, or chemicals. A second-degree burn affects the outer layer of skin (epidermis) and part of the inner layer of skin (dermis). ...

Newborn sepsis is a severe infection in an infant less than 28 days old. The infection is in your baby’s blood, but it may affect any body system or the whole body. ...