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  • Title: [Landau kleffner syndrome].
    Author: Pablo MJ, Valdizán JR, Carvajal P, Bernal M, Peralta P, Sáenz de Cabezón A.
    Journal: Rev Neurol; ; 34(3):262-4. PubMed ID: 12022077.
    Abstract:
    INTRODUCTION: The Landau Kleffner syndrome (SLK) is associated with paroxystic alterations of the electroencephalogram which are intensified during sleep, with acquired aphasia and epilepsy, in 75 83% of the cases. The syndrome is associated with other features, such as personality disorders presenting as autistic behaviour, cognitive regression and in some cases, motor dysfunction. The epileptic activity appears to be responsible for the disorder. Treatment with anti epileptic drugs is ineffective in many cases, although there may be periods of spontaneous improvement, or there may be permanent sequelas of language. Design. A systematic revision of one case. CASE REPORT: A five year old boy with no previous clinical history had, at the age of four years, presented with behaviour changes and aphasia, accompanied by paroxystic changes on the EEG and nocturnal polysomnogram. On cranial CT there was a mid line cyst. He had had no seizures. Treatment. Treatment with carbamazepine led to clinical improvement in behaviour, reduction in the paroxysms and appearance of sleep spindles, but little effect on the degree of aphasia. CONCLUSIONS: The case described is a variant of SLK, with no epileptic seizures, some improvement on carbamazepine and a mid line cyst.
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