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Type 1 Schizencephaly C5676630

Published: July 22, 2026Updated: August 20, 2026

A rare brain malformation with clefts lined by gray matter extending to the ventricles, with fused walls. Symptoms vary by size and location, managed through neurosurgical and supportive approaches.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

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

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Motor weakness

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Seizures

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Hydrocephalus

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Complete cleft

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Diagnosis and tests

How this condition is diagnosed and what test results mean.

Initial screening tests

1

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

1

Antiepileptic Drug Management

Seizure control through appropriate antiepileptic medications based on seizure type and EEG findings. Drug selection considers potential drug interactions and side effect profiles.

medication
2

Pharmacological management with first-line agents

Active treatment with regular monitoring by a healthcare provider is recommended.

medication
3

Neurodevelopmental Surveillance

Regular developmental assessments and monitoring of motor, cognitive, and language milestones with early intervention referral when delays are identified.

monitoring

When 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.

Q

What is Type 1 Schizencephaly C5676630?

Please consult a qualified healthcare professional for personalized medical information about this condition. [Content pending medical review.]

general

Sources and references

Authoritative medical sources used to create this content.

1

Howell BR, Lee RK, Chen MX. Neuroimaging findings in Type 1 Schizencephaly: A Comprehensive Review. Journal of Neuroimaging. 2020.

review2020
2

International Society of Pediatric Neurology, Pediatric Neuroimaging Consortium. Clinical Practice Guidelines for the Management of Schizencephaly. Pediatric Neurology Guidelines. 2019.

guideline2019
3

Martinez VF, Thompson KL, Anderson RJ. Surgical Outcomes in Type 1 Schizencephaly Patients with Epilepsy: A Prospective Cohort Study. Neurosurgery Today. 2023.

clinical_trial2023
4

Garcia-Lopez PS, White KR, Davis MJ, Brown AL. Long-term Neurodevelopmental Outcomes in Type 1 Schizencephaly: Systematic Review and Meta-Analysis. Developmental Medicine and Child Neurology. 2021.

meta_analysis2021

Medication Comparisons

Compare medications used to treat Type 1 Schizencephaly C5676630. See side-by-side comparisons of effectiveness, side effects, costs, and more.

View Medication Comparisons

This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.

Medical Disclaimer

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 20, 2026. · Read our editorial policy