Landau-Kleffner syndrome
- Synonyms
- APHASIA, ACQUIRED, WITH EPILEPSY; Acquired aphasia with convulsive disorder; Acquired epileptiform aphasia; EPILEPSY, FOCAL, WITH SPEECH DISORDER AND WITH OR WITHOUT IMPAIRED INTELLECTUAL DEVELOPMENT; Epilepsy with neurodevelopmental defects
- Modes of inheritance
- Autosomal dominant inheritance (Orphanet)
Summary
Excerpted from the GeneReview:- Full text of GeneReview (by section):
- Summary
- Diagnosis
- Clinical Characteristics
- Genetically Related (Allelic) Disorders
- Differential Diagnosis
- Management
- Genetic Counseling
- Resources
- Molecular Genetics
- Chapter Notes
- References
- Authors:
- Vincent Strehlow
- Kenneth A Myers
- Angela T Morgan
- view full author information
Available tests
Check Related conditions for additional relevant tests.
Clinical tests (48 available)
Clinical features
Help- Abnormality of head or neck
- Short nose
Short nose
- MedGen UID: 343052
- Concept ID: C1854114
- Finding: Finding
Abnormality of head or neck
- Short nose
- Abnormality of limbs
- Pes cavus
Pes cavus
- MedGen UID: 675590
- Concept ID: C0728829
- Finding: Congenital Abnormality
Abnormality of limbs
- Pes cavus
- Abnormality of the musculoskeletal system
- Hypotonia
Hypotonia
- MedGen UID: 10133
- Concept ID: C0026827
- Finding: Finding
Abnormality of the musculoskeletal system
- Primary microcephaly
Primary microcephaly
- MedGen UID: 383046
- Concept ID: C2677180
- Finding: Finding
Abnormality of the musculoskeletal system
- Hypotonia
- Abnormality of the nervous system
- Aphasia
Aphasia
- MedGen UID: 8159
- Concept ID: C0003537
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Atonic seizure
Atonic seizure
- MedGen UID: 78735
- Concept ID: C0270846
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Attention deficit hyperactivity disorder
Attention deficit hyperactivity disorder
- MedGen UID: 220387
- Concept ID: C1263846
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Autistic behavior
Autistic behavior
- MedGen UID: 163547
- Concept ID: C0856975
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Bilateral tonic-clonic seizure
Bilateral tonic-clonic seizure
- MedGen UID: 141670
- Concept ID: C0494475
- Finding: Sign or Symptom
Abnormality of the nervous system
- Bilateral tonic-clonic seizure with focal onset
Bilateral tonic-clonic seizure with focal onset
- MedGen UID: 164077
- Concept ID: C0877017
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Continuous spike and waves during slow sleep
Continuous spike and waves during slow sleep
- MedGen UID: 812733
- Concept ID: C3806403
- Finding: Finding
Abnormality of the nervous system
- Delayed speech and language development
Delayed speech and language development
- MedGen UID: 105318
- Concept ID: C0454644
- Finding: Finding
Abnormality of the nervous system
- Developmental regression
Developmental regression
- MedGen UID: 324613
- Concept ID: C1836830
- Finding: Disease or Syndrome
Abnormality of the nervous system
- EEG with centrotemporal focal spike waves
EEG with centrotemporal focal spike waves
- MedGen UID: 868454
- Concept ID: C4022848
- Finding: Finding
Abnormality of the nervous system
- Focal impaired awareness seizure
Focal impaired awareness seizure
- MedGen UID: 543022
- Concept ID: C0270834
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Focal-onset seizure
Focal-onset seizure
- MedGen UID: 199670
- Concept ID: C0751495
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Global developmental delay
Global developmental delay
- MedGen UID: 107838
- Concept ID: C0557874
- Finding: Finding
Abnormality of the nervous system
- Intellectual disability
Intellectual disability
- MedGen UID: 811461
- Concept ID: C3714756
- Finding: Mental or Behavioral Dysfunction
Abnormality of the nervous system
- Seizure
Seizure
- MedGen UID: 20693
- Concept ID: C0036572
- Finding: Sign or Symptom
Abnormality of the nervous system
- Speech apraxia
Speech apraxia
- MedGen UID: 78112
- Concept ID: C0264611
- Finding: Disease or Syndrome
Abnormality of the nervous system
- Aphasia
- Growth abnormality
- Short stature
Short stature
- MedGen UID: 87607
- Concept ID: C0349588
- Finding: Finding
Growth abnormality
- Small for gestational age
Small for gestational age
- MedGen UID: 65920
- Concept ID: C0235991
- Finding: Finding
Growth abnormality
- Short stature
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