title: Electroclinical overlap of two types of epileptic encephalopathy occurring in the same children in a certain age period?
abstract: In this study, we describe three patients who each had an electroclinical overlap of two different epileptic encephalopathies (EE), with onset in a certain age period. Patient 1 had electroclinical features compatible with continuous spikes and waves during slow sleep (CSWSS) syndrome that changed into Lennox-Gastaut syndrome (LGS) (symptomatic, cause porencephalic cyst) at the age of 8.5 years. Patient 2 had LGS which evolved into CSWSS at the age of 6 years (symptomatic, cause polymicrogyria). The third patient had cryptogenic CSWSS syndrome at age the age of 7 years which evolved into LGS at the age of 7.5 years. All three patients could be considered to have two EE: CSWSS syndrome and LGS or to have had overlapping features of these epileptic syndromes.
authors.affiliation: Neurology Department, Hospital de Pediatría Prof. Dr. Juan P Garrahan, Buenos Aires, Argentina. rhcaraballo@arnet.com.ar
authors.forename: Roberto Horacio
authors.initials: RH
authors.lastname: Caraballo
authors.forename: Alejandra
authors.initials: A
authors.lastname: Soraru
authors.forename: Ricardo Oscar
authors.initials: RO
authors.lastname: Cersósimo
mesh_terms: D000374:Aggression / Q000523:psychology; D001927:Brain Diseases / Q000150:complications / Q000503:physiopathology*; D020863:Central Nervous System Cysts / Q000150:complications / Q000523:psychology; D002648:Child; D002675:Child, Preschool; D018450:Disease Progression; D004569:Electroencephalography; D004827:Epilepsy / Q000209:etiology / Q000503:physiopathology*; D019305:Epilepsy, Rolandic / Q000503:physiopathology; D004830:Epilepsy, Tonic-Clonic / Q000503:physiopathology; D020233:Gait Disorders, Neurologic / Q000209:etiology / Q000503:physiopathology; D006801:Humans; D006948:Hyperkinesis / Q000209:etiology / Q000503:physiopathology; D008607:Intellectual Disability / Q000503:physiopathology; D007859:Learning Disabilities / Q000209:etiology / Q000523:psychology; D065768:Lennox Gastaut Syndrome; D008297:Male; D054220:Malformations of Cortical Development / Q000150:complications / Q000523:psychology; D009069:Movement Disorders / Q000150:complications / Q000523:psychology; D012640:Seizures / Q000503:physiopathology; D012890:Sleep / Q000502:physiology; D012893:Sleep Wake Disorders / Q000503:physiopathology; D013036:Spasms, Infantile / Q000503:physiopathology