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Coronavirus Update: What patients and families need to know

Conditions and Treatments

Results for "L"

LAP BAND

Children's National's expert bariatric surgery team uses LAP-BAND®, a weight-loss procedure for those who are at least 18 years old.

Laryngomalacia

Laryngomalacia is the most common cause of stridor, or “noisy breathing” in infants. It is caused by redundancy of the tissue above the vocal cords. Learn more about this condition.

Learning Disabilities and Neurofibromatosis

As many as 80 percent of all children with neurofibromatosis will have associated difficulties that affect learning, including attention problems, memory problems, spatial perception difficulties, and selective problems in reading or mathematics. Learn more about this condition.

Learning Disorders

A learning disorder is defined as difficulty in an academic area. A child's ability to achieve in the specific academic area is below what is expected for the child's age, educational level, and level of intelligence.

Legg-Calvé-Perthes Disease

Legg-Calvé-Perthes disease is a rare hip condition that affects children. Over a number of years, a child’s femoral head breaks down and re-forms. Learn more about this condition.

Leukemia

Leukemia is the most common form of pediatric cancer. Leukemia is cancer of the blood and develops in the bone marrow. Learn more about this condition.

Lumbar puncture

A lumbar puncture is when a physician inserts a needle in the lower spine to obtain cerebrospinal fluid in search of infection, administer chemotherapy, or monitor and relieve cerebrospinal fluid pressure. Learn more.

Lyme Disease

Lyme disease (LD) is a multi-stage, multi-system bacterial infection caused by the spirochete Borrelia burgdorferi, a spiral shaped bacterium that is most commonly transmitted by a tick bite. 

Lymphadenopathy

Lymphadenopathy is the term for swelling of the lymph nodes — the bean-shaped organs found in the underarm, groin, neck, chest and abdomen that act as filters for the lymph fluid as it circulates through the body.