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Nager Syndrome

A rare genetic condition causing physical abnormalities, most commonly in the face, hands, and arms. Small or missing thumbs are a usual feature of this syndrome.

Narcolepsy

A sleep condition affecting 1 in 2,000 people, characterized by inappropriate sleep patterns and excessive – at times irresistible – daytime sleepiness.

Nasal & Jaw Deformities

Genetic conditions resulting in malformations of the face, head and jaw, in some cases only cosmetic, in other cases affecting breathing, eating, hearing and vision.

Nasal Fracture (Broken Nose)

Possible signs of nasal fracture (broken nose) include bruising of the nose and under the eyes, nosebleeds after injury, swelling of the nose or a crooked appearance of the nose. Learn more.

Natal Teeth

What are Natal Teeth? Natal teeth, also known as prenatal teeth, are teeth present in a baby's mouth at birth. Natal teeth are very rare, occurring in only about 1 in 2,000 to 3,000 newborns. These teeth usually appear on the lower front gums, where the central incisors (the middle two front teeth) would typically erupt later. What Causes Natal...

Navicular Stress Fracture

An overuse injury of one of the bones in the midfoot, resulting from too much repetitive stress placed on a bone, causing swelling, weakening and cracking.

Neck Abscess

A mass of pus (yellowish-white fluid filled with dead white blood cells) from an infection that collects in spaces between the structures of the neck.

Necrotizing Enterocolitis

A serious intestinal illness in babies, involving damage to intestinal tissues, which can lead to a hole in the intestines, allowing bacteria in the intestine to leak into the abdomen.

Neonatal Cardiac Surgery

Neonatal cardiac surgery is heart surgery performed on newborn children to repair congenital heart defects. Learn more about our experts and procedures.

Neonatal Hemochromatosis

A serious and usually fatal condition in which fetuses and infants under one month accumulate iron in the liver and other tissues, typically resulting in liver failure.

Neonatal Sepsis

A blood infection common in preterm, low-birth-weight babies, can be caused by bacteria or virus, commonly Group B streptococcus but most dangerously by E. coli.

Neonatology

The Division of Neonatology at Lurie Children's has a top-ranked Level IV neonatal intensive care unit (NICU) for critically ill newborns. Learn more.