[Acquired epileptic aphasia--Landau-Kleffner syndrome]

Authors report about a girl with Landau-Kleffner syndrome. After the history of normal developmental milestones at the age of five-and-half year the patient had absence seizures, and marked receptiv and expressiv aphasia developed gradually. She was found to have Landau-Kleffner syndrome. This entity initially can be regarded as deafness or psychiatric reaction. The seizure activity usually has a favorable outcome, the aphasia can fluctuate for years. The improvement is more likely in promptly treated cases.