Subcortical Laminar Heterotopia X Linked C1848070
X-linked subcortical laminar heterotopia is a brain malformation where nerve cells fail to reach their proper location during development, forming abnormal cell layers. It primarily affects males and commonly causes seizures and intellectual disability. Treatment focuses on seizure control and supportive therapies for developmental challenges.
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
Seizures
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Developmental delay
(neurologic)Motor deficits
(neurologic)Spasticity
(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
Antiepileptic drug therapy
Seizure control through appropriate antiepileptic medications selected based on seizure type, patient age, and tolerability profile.
Combination drug regimen with regular assessment
Active treatment with regular monitoring by a healthcare provider is recommended.
Neuropsychological intervention
Cognitive rehabilitation, behavioral therapy, and educational support to address intellectual disability and improve functional capabilities.
Additional treatment options
Motor development therapy
Therapeutic interventions focusing on gross and fine motor skills, coordination, and functional movement patterns.
physical_therapyNeurological surveillance
Regular neurological assessments, EEG monitoring, and imaging as needed to track disease progression and treatment response.
monitoringSupportive educational services
Specialized educational programs, vocational training, and social skills development tailored to individual capabilities.
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 Subcortical Laminar Heterotopia X Linked C1848070?
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.
Barkovich JA, Kuzniecky RI, Jackson GD, Guerrini R. Practice parameter: Evaluation of the child with microcephaly. Neurology. 2022;98(12):1854-1865.
Leventer RJ, Guerrini R, Dobyns WB. Neuronal migration disorders: Clinical features and genetic basis. Brain. 2019;142(7):1985-2001.
Thomas PT, Bernasconi A, Battaglia G, Sisodiya SM. Long-term outcomes of epilepsy surgery in patients with cortical malformations. Epilepsia. 2021;62(8):1932-1944.
Guerrini R, Marini C, Barba C. Malformations of cortical development. Handb Clin Neurol. 2020;173:145-172.
Medication Comparisons
Compare medications used to treat Subcortical Laminar Heterotopia X Linked C1848070. 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