Labyrinthitis is the inflammation of part of the inner ear called the labyrinth. The inflammation causes vertigo, hearing loss, and other symptoms.

Detailed information on Landau-Kleffner syndrome, including signs, diagnosis, and treatment

Lymphadenopathy means swelling of the lymph nodes or glands. Lymphadenopathy can occur in just one area of the body, such as the neck. Or it may affect lymph nodes throughout the body. The cervical lymph nodes, found in the neck, are the...

A lymphatic malformation is a lymphatic vessel that isn’t formed right. The malformations are lymphatic tissue filled with fluid (cyst). Your child may have one or more of these cysts.