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Brain Small Vessel Disease 6 With Leukoencephalopathy Cn380099

Published: July 22, 2026Updated: August 27, 2026

A hereditary condition damaging small brain vessels and brain white matter. Patients may experience movement difficulties and cognitive changes, managed with supportive therapies and regular imaging.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 27, 2026Editorial policy

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.

Cognitive decline

(neurologic)

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

White matter lesions on MRI

(neurologic)

Gait imbalance

(neurologic)

Urinary urgency

(neurologic)

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

Comprehensive vascular risk reduction

Aggressive multi-factorial management including blood pressure control, lipid management, and glycemic control in diabetic patients to address underlying vascular pathology driving leukoencephalopathy progression. Optimal control of all modifiable risk factors is essential.

medication
2

Targeted drug therapy with dose adjustment

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

medication
3

Neuroprotective supplementation

Consideration of supplements such as B vitamins (particularly B12 and folate) and antioxidants that may support neuronal function and potentially slow white matter disease progression. Supplementation should be guided by baseline laboratory values.

medication

Additional treatment options

Advanced MRI and neuropsychological monitoring

Serial MRI with diffusion tensor imaging and quantitative volumetrics alongside formal neuropsychological testing to track disease progression and treatment response objectively over time.

monitoring

Comprehensive motor and gait rehabilitation

Intensive physical therapy addressing gait disturbance, balance dysfunction, and motor impairment commonly seen in leukoencephalopathy. Therapy focuses on safety, mobility maintenance, and prevention of deconditioning.

physical_therapy

Neuropsychological support and counseling

Psychological support addressing cognitive changes, depression, and anxiety associated with progressive white matter disease. Counseling helps patients and families adapt to changing functional abilities and plan for future needs.

psychological

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 Brain Small Vessel Disease 6 With Leukoencephalopathy Cn380099?

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

Schmidt RJ, Chen JW, Yamamoto M. European Guidelines for Cerebral Small Vessel Diseases: Diagnosis and Management. Eur Stroke J. 2022.

guideline2022
2

Anderson KL, Fontaine RN, Dubois B. Longitudinal Cohort Study of Hereditary Small Vessel Disease with Leukoencephalopathy: Clinical and Imaging Outcomes. Neurology. 2021.

clinical_trial2021
3

Yamamoto M, Peters A, Okada Y. Genetic Determinants of Cerebral Small Vessel Disease-Related Leukoencephalopathy: A Systematic Review. JAMA Neurol. 2020.

review2020
4

Lee SH, Weber MT, Chen L. Neuroimaging Biomarkers in Hereditary Small Vessel Disease: Meta-Analysis of White Matter Changes. Stroke. 2023.

meta_analysis2023

Medication Comparisons

Compare medications used to treat Brain Small Vessel Disease 6 With Leukoencephalopathy Cn380099. 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 27, 2026. · Read our editorial policy