Conditions & Treatments

Jeune syndrome is a complex genetic deformity in which the rib cage is smaller and narrower than usual. ...

Sports activity is starting at younger and younger ages. Some of these sports can be highly competitive and require long hours of practice and game play. ...

Juvenile ankylosing spondylitis is a type of arthritis. It affects children in the spine and the places where the muscles, tendons, and ligaments are attached to bone. Ankylosing means stiff or rigid. Spondyl means spine. Itis refers to inflammation. ...

Juvenile dermatomyositis (JDM) is a rare disease that causes muscle inflammation and a skin rash. It's different from other muscle diseases because it also causes skin problems. ...

Juvenile idiopathic arthritis (JIA) is the most common type of arthritis in children. Some children have arthritis for just a few months, while others have for several years. In rare cases, the condition lasts a lifetime. The exact cause of JIA is not known, however ...

Pilocytic astrocytoma is a benign brain tumor that grows slowly in the brain or spinal cord. "Pilocytic" means that the tumor is made up of cells that look like fibers when viewed under a microscope. ...