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Landau-Kleffner syndrome

disorder
SNOMED 230438007CUI C0282512

Overview

Source: MedlinePlus.gov, National Library of Medicine. Not a substitute for medical advice.

Signs & Symptoms

Based on Human Phenotype Ontology (HPO) disease-phenotype annotations.

Difficulty finding words
Very frequent (80-99%)HP:0002381
Electrical status epilepticus during slow-wave sleep
Very frequent (80-99%)HP:0031491
Interictal EEG abnormality
Very frequent (80-99%)HP:0025373
Language impairment
Very frequent (80-99%)HP:0002463
Loss of speech
Very frequent (80-99%)HP:0002371
Seizures
Very frequent (80-99%)HP:0001250
Spoken word recognition deficit
Very frequent (80-99%)HP:0030391
Verbal dyspraxia
Very frequent (80-99%)HP:0011098
Autism spectrum disorder
Frequent (30-79%)HP:0000729
Behavioral symptoms
Frequent (30-79%)HP:0000708
Bilateral tonic-clonic seizure with generalized onset
Frequent (30-79%)HP:0025190
Central hypotonia
Frequent (30-79%)HP:0001252
Childhood attention deficit/hyperactivity disorder
Frequent (30-79%)HP:0007018
Decreased body height
Frequent (30-79%)HP:0004322
Delayed language development
Frequent (30-79%)HP:0000750
EEG with centrotemporal focal spike waves
Frequent (30-79%)HP:0012557
EEG with frontal focal spikes
Frequent (30-79%)HP:0012015
EEG with generalized epileptiform discharges
Frequent (30-79%)HP:0011198
EEG with temporal focal spikes
Frequent (30-79%)HP:0012018
Focal seizures
Frequent (30-79%)HP:0007359
Generalized non-motor (absence) seizure
Frequent (30-79%)HP:0002121
Head circumference small for gestational age
Frequent (30-79%)HP:0011451
Localized motor seizures
Frequent (30-79%)HP:0011153
Psychomotor development deficiency
Frequent (30-79%)HP:0001263
Psychomotor regression, progressive
Frequent (30-79%)HP:0002376
Social and occupational deterioration
Frequent (30-79%)HP:0007086
Speech articulation difficulties
Frequent (30-79%)HP:0009088
Anxiety disease
Occasional (5-29%)HP:0000739
Atypical absence
Occasional (5-29%)HP:0007270
Complex partial seizures
Occasional (5-29%)HP:0002384

Related Conditions

Acquired language disorder(parent)
Epileptic encephalopathy with spike-and-wave activation in sleep(parent)
Developmental aphasia(parent)

Quick Facts

SNOMED CT
230438007
UMLS CUI
C0282512
Fully Specified Name
Landau-Kleffner syndrome (disorder)
Specialists
0
Diagnostic Biomarkers
0
HPO Phenotypes
30
Medical Disclaimer

This information is for educational purposes only and does not constitute medical advice, diagnosis, or treatment. Always consult with a qualified healthcare provider regarding any medical condition or treatment plan.

Clinical content is derived from the SNOMED CT clinical ontology and curated medical knowledge graphs.