Landau-Kleffner syndrome (LKS), or acquired epileptiform aphasia, is an epilepsy syndrome involving progressive neuropsychological impairment related to the. Landau-Kleffner syndrome (LKS) is an age-related epileptic encephalopathy where developmental regression occurs mainly in the language domain and the . OVERVIEW. Landau Kleffner syndrome is characterized by subacute onset of acquired aphasia in a child with normal previous development and cognition.

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Summary Epidemiology The prevalence is difficult to estimate because of heterogeneous definitions. In the older child the result will be less severe, since language has been partially learned. Les potentiels evoques auditifs precoces, de latence moyenne et tardifs dans un cas d’aphasie acquise-epilepsie syndrome de Landau-Kleffner.

Different sign languages are used in different countries or regions. Acquired epileptiform aphasia in children Landau-Kleffner syndrome. Robinson et al [ 12 ] There was no evidence of inflammation, demyelination, hippocampal sindrome de landau kleffner, or dysgenesis. Acta Neurol Scand ; sindrome de landau kleffner Landau-Kleffner Syndrome Information Page.

Some children develop a type of gestural communication or sign-like language. Prognosis Several variables may influence prognosis, including age of onset, pattern of language deficit, frequency and topography sindrome de landau kleffner EEG discharges, duration of epilepsy, and efficacy, and adverse effects of anticonvulsants 3.


Morrell found that symptoms persisting for longer than 1 year are predictive of poor language recovery, [ 13 ] and Robinson et al found that poor language recovery was correlated with electrical status epilepticus of sleep ESES for longer than 36 months. Clin Neurophysiol ; Suppl 2: Treatment of electrical status epilepticus during slow-wave sleep with high-dose corticosteroid. Mikati MA, Saab R.

Audiograms and brainstem auditory evoked response BAER are normal. Outcome of Epilepsy Surgery.

Low-T and Erectile Dysfunction. Multiple subpial transection MSTdesigned to selectively disrupt intracortical horizontal fibers with minimal injury to vertically oriented cortical columns, has been suggested in treating epilepsies sindrome de landau kleffner from eloquent or unresectable cortex.

Occasionally, the condition may be induced secondary to other diagnoses such as low-grade brain tumors, closed-head injury, neurocysticercosisand demyelinating disease.

Acquired Epileptic Aphasia

The great majority of children with autism who undergo language regression do so before three years of age 14versus a mean age of language regression in LKS sindrome de landau kleffner 5—7 years.

National Institutes of Health. A male predominance exists, with an approximately 2: Partial retention of writing skills suggests a sindrome de landau kleffner prognosis in the reeducation phase Some children with long standing verbal auditory agnosia are successfully integrated into schools for the deaf, although others continue to have marked deficits in social adaptation and communication.


In most cases described in detail, a clearly normal period of motor and language development occurs before acquired epileptic aphasia symptoms appear. Caring for Your Patient with a Rare Disease.

The Landau-Kleffner Syndrome

sindrome de landau kleffner Often, behavioral and neuropsychologic disturbances accompany the progression of LKS. Clin Neurophysiol ; The differential diagnosis also includes deafness, elective mutism, and acute psychiatric disorders. Epilepsy types Specific developmental disorders Syndromes. There is no “cure” for autism.

Treatment with subpial intracortical transection”. The determination of treatment efficacy is difficult.

The Landau-Kleffner Syndrome

Word deafness can deteriorate into total unresponsiveness and impaired expressive communication. Annals of Neurology ; There is sindrome de landau kleffner study by Morrell et al.

Choose the Right Birth Control. Can J Psychiatry ; In a child with autistic spectrum disorder, the presence of a fluctuating clinical course or regression should raise suspicion for the presence of associated epilepsy.


These behavior patterns are considered secondary to the language impairment in LKS.