Conditions & Treatments

Retinoblastoma is a rare cancer of the retina of the eye. The retina is in the back of the eye. It’s the part of the eye that receives light. Retinoblastoma is the most common tumor affecting the eye in children. It almost always occurs in ...

Retinopathy of prematurity is an eye problem that happens to premature babies. The retina lines the back of the eye. ...

The Rett Spectrum Clinic a specialty clinic designed to care for and support children with Rett Syndrome and Rett Related Disorders including MECP2 duplications, CDKL5, and FOXG1. ...

Rett syndrome is a rare, severely disabling developmental disability that almost exclusively affects females. Children with the disorder often have small hands and feet, experience developmental regression and deceleration in the rate of head growth, and are prone to gastrointestinal disorders, long QT syndrome and ...

What is Reye syndrome in children? Reye syndrome is a rare but very serious illness that causes brain swelling and liver damage. It can also affect all of the body’s organs. As the swelling in the brain increases, the pressure inside of the head may ...

Rh disease occurs during pregnancy. It happens when the Rh factors in the mom’s and baby’s blood don’t match. It may also happen if the mom and baby have different blood types. ...

Rhabdomyosarcoma is a type of cancer. It starts in cells that grow into skeletal muscle cells. Skeletal muscles control all of a person’s voluntary muscle movements. The cancer is most common in children under age 10, but it is rare. It can form anywhere in ...

Rheumatic fever is a complex disease that affects the joints, skin, heart, blood vessels, and brain. It occurs mainly in children between the ages of 5 to 15. It is an immune disease that may occur after an infection with strep (streptococcus) bacteria. ...

Rheumatic heart disease is a condition that causes permanent damage to the heart valves. It follows rheumatic fever. Rheumatic fever is the body's response to a strep infection of the throat or tonsils or "strep throat." ...

The Division of Rheumatology/Immunology is internationally recognized for investigation into the pathogenesis of immunologic and rheumatologic disorders of childhood. ...