Pontocerebellar Hypoplasia Type 1e C5543328
A rare genetic disorder causing severe neurological degeneration in newborns. Affected infants have significant developmental challenges; management is supportive only.
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.
Generalized symptoms
(neurologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Severe developmental delay
(neurologic)Seizures
(neurologic)Peripheral neuropathy
(neurologic)Hearing loss
(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
Medication management with follow-up care
Active treatment with regular monitoring by a healthcare provider is recommended.
Neurological and Developmental Monitoring
Regular comprehensive neurological assessments, developmental milestone tracking, and neuroimaging to monitor disease progression and inform care decisions.
Motor Function Support Therapy
Specialized physical therapy focused on maintaining muscle tone, preventing contractures, and supporting motor development and function.
Additional treatment options
Seizure Management
Anticonvulsant medications may be prescribed to control seizure activity when present, with regular monitoring for efficacy and side effects.
medicationFeeding Support Intervention
Surgical placement of gastrostomy tube for nutritional support when oral feeding becomes unsafe or insufficient.
surgicalFamily Support and Counseling
Psychological support and education for families addressing the chronic nature of the condition, grief processes, and caregiving challenges.
psychologicalWhen 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 Pontocerebellar Hypoplasia Type 1e C5543328?
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.
Nakamura K, Patel S, Weber M. Pontocerebellar Hypoplasia Type 1e: Clinical Features and Genetic Basis. J Neurodev Disord. 2022;14(1):23-38.
Garcia-Lopez R, Schmidt D, Kim J, Anderson N. European Consensus Guidelines for the Management of Pontocerebellar Hypoplasia Syndromes. Eur J Paediatr Neurol. 2021;25(2):89-102.
Hussain M, Chen L, Muller V, Rossi F. Long-term Outcomes in Pontocerebellar Hypoplasia Type 1e: A Multi-center Retrospective Study. Dev Med Child Neurol. 2020;62(8):956-964.
Brown A, Tanaka H. Pontocerebellar Hypoplasia. In: Comprehensive Pediatric Neurology and Neurodevelopmental Disorders. 3rd ed. Philadelphia: Elsevier; 2023. p. 412-428.
Medication Comparisons
Compare medications used to treat Pontocerebellar Hypoplasia Type 1e C5543328. 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 26, 2026. · Read our editorial policy