One of the most common types of bone cancer in children usually occurring in the long bones, such as the arms, legs and pelvis.

An infection in the bone, usually in the long bones but can affect any bone in the body, most commonly in premature infants and babies born with complications.

A skeletal disorder characterized by decreased bone strength due to loss of bone mass/density, resulting in an increased risk of fractures (breaks).

Inflammation of the middle ear, often occurring with a viral upper respiratory tract illness, and is one of the most common diagnoses for U.S. children.

The Division of Otorhinolaryngology - Head and Neck Surgery provides medical & surgical treatment for children with disorders of the ears, nose and throat (ENT).

Otorrhea, or drainage from the ear, can occur after a ruptured ear drum from an acute ear infection, if the ear(s) become infected after tympanostomy tube (ear tube) placement, and from external ear infections.

Lurie Children's Outpatient Psychiatric Services Program provides more than 18,000 clinical visits yearly, for anxiety disorders, psychoses, behavior problems, school problems, affective disorders, PTSD, developmental delay and adjustment problems.

Ovarian cryopreservation for fertility is a procedure needed due to childhood cancer treatment. Learn more about ovarian tissue freezing here.

An accumulation of fluid in the ovary encapsulated inside a thin wall of tissue, very common especially in women of childbearing age, and usually harmless.

When the ovary twists on its axis, twisting its venous and lymphatic vessels and thus shutting down its blood supply, causing severe abdominal pain, nausea and vomiting.

The rarest of sex development abnormalities, in which both female ovaries and male testicles are present in the child at birth.

A rare metabolic disorder characterized by recurrent kidney and bladder stones, caused by an overproduction of oxalate.