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UR Medicine



For more information, please visit our Pediatric Neurosurgery Program site or our Epilepsy Treatment Program site

Lennox–Gastaut syndrome (LGS), also known as Lennox syndrome, is a difficult-to-treat form of childhood-onset epilepsy that most often appears between the second and sixth year of life, and is characterized by frequent seizures and different seizure types; it is often accompanied by mental retardation and psychological and behavioral problems.