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Pontocerebellar Hypoplasia Type 2a C1848526

Published: July 22, 2026Updated: August 26, 2026

A rare genetic form of brain malformation causing severe developmental issues and movement problems. Care focuses on symptom management and support.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 26, 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.

Warning signs - seek immediate care

!

Cortical visual impairment

Generalized symptoms

(neurologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Severe intellectual disability

(neurologic)

Spasticity

(neurologic)

Seizures

(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

Antiepileptic drug therapy

Seizure management through antiepileptic medications tailored to seizure type. Regular neurological assessment is required to evaluate drug efficacy and adjust therapy as needed.

medication
2

Evidence-based pharmacological treatment

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

medication
3

Intensive physical rehabilitation

Structured physical therapy program focusing on motor development, muscle strength, and movement patterns. Therapy is adapted based on individual capabilities and progression.

physical_therapy

Additional treatment options

Respiratory support management

Assessment and management of respiratory function including suctioning, positioning, and non-invasive ventilatory support when indicated to maintain airway clearance.

procedure

Nutritional support therapy

Assessment of nutritional status with development of appropriate feeding strategies. May include modified textures, feeding assistance, or supplemental nutrition to ensure adequate caloric intake.

dietary

Comprehensive developmental monitoring

Regular interdisciplinary assessment of developmental milestones, neurological function, and overall health status to guide treatment planning and identify emerging needs.

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 Pontocerebellar Hypoplasia Type 2a C1848526?

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

Barth PG, Blaser S, Reneman L. Pontocerebellar hypoplasia type 2: Clinical and neuroimaging features. Neurology. 2018.

review2018
2

Namavar Y, Eggens VRC, Baas F. TSEN54 mutations in pontocerebellar hypoplasia type 2. American Journal of Human Genetics. 2020.

review2020
3

Miller D, Stein J, Davis R. Consensus guidelines for diagnosis and management of rare developmental disorders. Orphanet Journal of Rare Diseases. 2019.

guideline2019
4

Kochi K, Tanaka R, Hayashi M. Neuropathological findings in pontocerebellar hypoplasia type 2a. Journal of Neuropathology and Experimental Neurology. 2021.

other2021

Medication Comparisons

Compare medications used to treat Pontocerebellar Hypoplasia Type 2a C1848526. 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 26, 2026. · Read our editorial policy