Children are most commonly identified with<unk>  before the age of five months. A significant number of girls are products of normal births and seem to be developing normally until around the age of three months, when they begin to have infantile spasms. The onset of infantile spasms at this age is due to closure of the final neural synapses in the brain, a stage of normal brain development. A number of tumors have been reported in association with<unk> : choroid plexus papilloma (the most common), medulloblastoma, gastric hyperplastic polyps, rectal polyps, soft palate benign teratoma, hepatoblastoma, parapharyngeal embryonal cell cancer, limb angiosarcoma and scalp lipoma.
Aicardi syndrome
Brugada syndrome
Pacak–Zhuang syndrome
Long QT syndrome
Sudden arrhythmic death syndrome
Wooden chest syndrome
Libman–Sacks endocarditis
Familial aortic dissection