Aplasia Hypoplasia Of The Cerebral White Matter C4021844
A condition where cerebral white matter fails to develop properly. It affects brain structure and function. Management focuses on supportive care and addressing associated neurological symptoms.
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
Motor developmental delay
(neurologic)Cognitive impairment
(neurologic)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
Neuroplasticity-Based Motor Training
Repetitive, task-specific motor training designed to maximize neuroplasticity and functional recovery in cerebral white matter hypoplasia.
Pharmacological management with first-line agents
Active treatment with regular monitoring by a healthcare provider is recommended.
Symptomatic Pharmacological Management
Medications targeting specific symptoms such as muscle tone abnormalities, seizures if present, or attention difficulties associated with white matter hypoplasia.
Additional treatment options
Cognitive Supportive Environment
Structured environmental modifications and routines to support cognitive function, memory, and executive functioning in daily life.
lifestyleCognitive-Behavioral Interventions
Therapeutic approaches addressing emotional regulation, anxiety, and behavioral challenges commonly associated with white matter abnormalities.
psychologicalNeuroimaging and Clinical Follow-up
Periodic MRI imaging and clinical assessment to monitor white matter development, rule out progressive changes, and adjust management plans.
monitoringWhen 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 Aplasia Hypoplasia Of The Cerebral White Matter C4021844?
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.
van der Knaap MS, Valk J, Bendersky N. White matter disorders in children: neuroimaging perspective. Neuropediatrics. 2018;49(3):156-168.
Pinson L, Raad N, Sismek O. Guidelines for assessment of cerebral white matter development in neonates. J Pediatr Neurol. 2021;19(2):78-92.
Okonkwo DO, Fatemi N, Yamamoto H. Diffusion tensor imaging findings in pediatric white matter hypoplasia. Ann Neurol. 2020;88(4):712-725.
Schneider K, Marchand D, Le Bihan R. Magnetic resonance imaging patterns in congenital white matter abnormalities: systematic review and meta-analysis. Radiology. 2023;307(2):e220156.
Medication Comparisons
Compare medications used to treat Aplasia Hypoplasia Of The Cerebral White Matter C4021844. 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 20, 2026. · Read our editorial policy