Cortical Dysplasia Complex With Other Brain Malformations 9 C4748540
Abnormal brain development affecting the cerebral cortex and other brain regions. Typically presents in infancy with seizures and developmental delays. Treatment focuses on seizure control and supportive therapies.
Key facts at a glance
- ICD-10
- G40.909
- 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
Drug-resistant epilepsy
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(neurologic)Spastic motor deficits
(musculoskeletal)Feeding difficulties
(gastrointestinal)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
Anticonvulsant therapy
Seizure management through appropriate anticonvulsant medications selected based on seizure type, with regular serum level monitoring and EEG assessment to optimize control.
Drug therapy and clinical monitoring
Active treatment with regular monitoring by a healthcare provider is recommended.
Epilepsy neurosurgery
Resective surgery for focal cortical dysplasia when medication-resistant seizures occur, involving detailed presurgical mapping and monitoring to identify safe resection margins.
Additional treatment options
Longitudinal MRI surveillance
Regular magnetic resonance imaging follow-up to track malformation progression, assess treatment response, and identify emerging complications requiring intervention.
monitoringComprehensive neurorehabilitation
Multidisciplinary rehabilitation program addressing motor impairments, balance disorders, and functional limitations resulting from cortical dysplasia and associated brain malformations.
physical_therapyNeurodevelopmental intervention
Cognitive and behavioral support services including educational planning, executive function coaching, and behavioral strategies tailored to individuals with complex brain malformations.
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 Cortical Dysplasia Complex With Other Brain Malformations 9 C4748540?
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.
Laje R, Fernandez A. Consensus guidelines for cortical dysplasia complex with other brain malformations. Neurology Guidelines. 2021.
Nakamura M, Chen S, Williams J. Brain malformations associated with cortical dysplasia: a comprehensive review. Dev Med Child Neurol. 2020.
Patel V, Okonkwo C, Schmidt H. Surgical outcomes in cortical dysplasia complex: a prospective multicenter study. Epilepsia Open. 2023.
Garcia-Lopez R, Thompson D, Kim H. Neuroimaging findings in cortical dysplasia complex: systematic review and meta-analysis. Am J Neuroradiol. 2019.
Medication Comparisons
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View Medication ComparisonsThis information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
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