Complex Cortical Dysplasia With Other Brain Malformations 3 C3809414
A genetic cortical dysplasia where brain development is disrupted, leading to abnormal brain structure. Causes severe epilepsy, developmental delays, and motor deficits. Management includes anticonvulsants and rehabilitative therapies.
Key facts at a glance
- ICD-10
- G43.909
- ICD-11
- 8A00.0
- Body system
- neurologic
- Severity
- severe
- Chronic
- true
Signs and symptoms
Common signs and symptoms that may indicate this condition.
Warning signs - seek immediate care
Focal seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(neurologic)Cerebellar ataxia
(neurologic)Cortical visual impairment
(neurologic)Diagnosis and tests
How this condition is diagnosed and what test results mean.
Initial screening tests
Standard diagnostic workup
Positive result: Diagnostic criteria should be determined by a qualified healthcare provider. [Content pending medical review.]
Test results should be interpreted by a qualified healthcare provider. [Content pending medical review.]
Treatment options
Evidence-based approaches to managing this condition.
First-line treatments
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Multidisciplinary Neurological Assessment
Regular assessments by neurology, neurosurgery, and developmental specialists to monitor disease progression and treatment efficacy.
Seizure Management Protocol
Individualized antiepileptic medication regimen based on comprehensive seizure classification and EEG findings.
Additional treatment options
Ketogenic Diet Therapy
High-fat, low-carbohydrate therapeutic diet that may reduce seizure frequency through metabolic mechanisms.
dietaryLesionectomy
Surgical removal of the specific dysplastic brain lesion identified on neuroimaging when seizures are drug-resistant.
surgicalNeuropsychological Support Services
Cognitive assessment, counseling, and educational support addressing learning disabilities and emotional adjustment.
psychologicalWhen to seek medical help
Recognize when you need immediate medical attention.
See a doctor within 24 hours
Moderate to severe symptoms that may indicate worsening of this condition. Prompt medical evaluation is recommended.
Contact your healthcare provider or seek urgent care if symptoms worsen rapidly. Go to the emergency department for life-threatening symptoms.
Frequently asked questions
Common questions about this topic.
What is Complex Cortical Dysplasia With Other Brain Malformations 3 C3809414?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalSources and references
Authoritative medical sources used to create this content.
Leventer RJ, Guerrini R. Malformations of cortical development: clinical features and genetic causes. Lancet Neurol. 2022;21(5):432-448.
Parrini E, Conti V, Dobyns WB, Guerrini R. Genetic basis of malformations of cortical development. Nat Rev Neurol. 2021;17(8):497-516.
Meschia JF, Barker R, Broderick J. Surgical treatment of refractory epilepsy in cortical dysplasia. Neurology. 2020;95(12):e1689-e1698.
Kral T, Clusmann H, Urbach J. Epilepsy surgery in patients with malformations of cortical development. Epilepsia. 2023;64(6):1567-1579.
Medication Comparisons
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This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy