Focal Cortical Dysplasia Type I C4732821
A subtle brain developmental abnormality that can cause seizures. Treatment typically involves anti-seizure medications, with surgery considered in medication-resistant cases.
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.
Focal seizures
(neurologic)Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Mild developmental delay
(neurologic)Learning difficulties
(neurologic)Behavioral problems
(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
Anti-epileptic drug therapy
Pharmacologic treatment with anti-epileptic medications as the primary approach for seizure control. Type I focal cortical dysplasia may respond better to certain medications and often requires long-term management.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Epilepsy surgery evaluation
Comprehensive pre-surgical workup including advanced MRI, video-EEG monitoring, and PET imaging to identify the epileptogenic zone. Surgical resection considered for drug-resistant cases.
Additional treatment options
Seizure safety measures
Implementation of safety modifications including avoiding swimming alone, wearing helmets during cycling, and ensuring supervision during high-risk activities to prevent injury during seizure events.
lifestyleNeuropsychological support
Cognitive and psychological assessment and support to address learning difficulties, memory issues, and emotional adjustment commonly associated with epilepsy and cortical malformations.
psychologicalStress management and sleep optimization
Non-pharmacologic approaches including stress reduction techniques, sleep hygiene optimization, and regular routines that may help reduce seizure triggers and improve overall wellbeing.
complementaryWhen 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 Focal Cortical Dysplasia Type I C4732821?
Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]
generalMedication Comparisons
Compare medications used to treat Focal Cortical Dysplasia Type I C4732821. See side-by-side comparisons of effectiveness, side effects, costs, and more.
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.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 25, 2026. · Read our editorial policy