Cryptogenic late-onset epileptic spasms

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Cryptogenic late-onset epileptic spasms

Synonyms: Late-onset infantile spasms

Cryptogenic late-onset epileptic spasms is a rare epilepsy syndrome characterized by late-onset (after 1 year old) epileptic spasms that ocurr in clusters associated with tonic seizures atypical absences and cognitive deterioration. Language difficulties and behavior problems are frequently present. EEG is characterized by a temporal or temporofrontal slow wave or spike focus combined with synchronous spike-waves and no hypsarrhythmia or background activity.

Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.

Reference: Access aggregated data from Orphanet at Orphadata.

Orphadata: Free access data from Orphanet. © INSERM 1999. Available on Data version March 2024

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