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Respiratory Failure

A condition in which the lungs are unable to absorb enough oxygen and expel enough carbon dioxide to maintain the health of the rest of the body’s organs.

Respiratory Syncytial Virus (RSV)

Respiratory syncytial virus (RSV) infects most children at least once before the age of two, and can sometimes be quite serious. Learn more.


A cancer of the retina of the eye, which tends to run in families.

Retinopathy of Prematurity

A disorder of the blood vessels of the light-sensitive part of the eye, most common in premature babies.

Retractile Testes

A testicle that moves in and out of the scrotum, instead of resting in the scrotum at all times.


A cancerous tumor in the soft tissues of the body, including the muscles, tendons and connective tissues, commonly the head, neck, bladder, vagina, arms, legs and trunk.


Lurie Children's Division of Rheumatology provides state-of-the-art diagnoses and care for children who have been diagnosed with rheumatic conditions.

Rib Lesions

Rare structural changes in the ribs arising from several causes including congenital bone dysplasia, an acquired metabolic disease, trauma, infection, or tumors.


Also called osteomalacia, rachitis, a condition in which bones become soft or deformed due to lack of calcium and phosphorus, caused by a deficiency of vitamin D.


A common childhood fungal infection causing scaly and ring-shaped lesions on the skin with a central clearing and raised edges.

Rotator Cuff Tendinitis

Inflammation or irritation in the tendons of the shoulder joint, rare in children and adolescents.


A virus that causes diarrhea; the most common cause of infectious diarrhea in the United States especially in children younger than two years old.

Awards & Accolades

Lurie Children's is proud to be recognized for the following awards, accolades and achievements.

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