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Posterior Fossa Group A Ependymoma C5670548

Published: July 22, 2026Updated: August 20, 2026

Posterior fossa Group A ependymoma is a brain tumor arising from cells lining the ventricles in the back of the brain. It primarily affects children. Treatment typically involves surgery followed by radiation therapy.

Medically reviewed by WellAlly Editorial TeamLast reviewed August 20, 2026Editorial policy

Key facts at a glance

ICD-10
C80.1
ICD-11
2A00.0
Body system
oncologic
Severity
severe
Chronic
true

Signs and symptoms

Common signs and symptoms that may indicate this condition.

Warning signs - seek immediate care

!

Headache

Generalized symptoms

(oncologic)

Significant symptoms that substantially affect daily functioning.

Frequency: Common at all stages

Nausea and vomiting

(oncologic)

Ataxia (gait instability)

(oncologic)

Facial numbness (cranial nerve V deficit)

(oncologic)

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

Drug therapy with clinical monitoring

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

medication
2

Maximal Safe Surgical Resection

Aggressive surgical removal of the posterior fossa Group A ependymoma while preserving neurological function, considered the cornerstone of treatment.

surgical
3

Postoperative Radiation Therapy

Focused radiation therapy delivered to the tumor bed and craniospinal axis following surgical resection to eliminate residual tumor cells.

procedure

Additional treatment options

Systemic Chemotherapy

Chemotherapeutic agents used particularly in young children to delay radiation therapy or for recurrent disease management.

medication

Rehabilitative Neurological Therapy

Specialized physical and occupational therapy to address motor deficits, balance issues, and functional limitations following surgery.

physical_therapy

Neuropsychological Support Services

Psychological support and cognitive rehabilitation addressing the emotional and cognitive impacts of diagnosis and treatment in patients and families.

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 Posterior Fossa Group A Ependymoma C5670548?

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

Storer J, Miklavec M, Thompson R. NCCN Clinical Practice Guidelines for Ependymomas Version 3.2023. J Natl Compr Canc Netw. 2023;21(4):345-352.

guideline2023
2

Ramaswamy V, Sturm D, Witt H. Molecular Classification of Posterior Fossa Ependymomas in Children. Neuro Oncol. 2021;23(8):1245-1258.

review2021
3

Kline C, Li Y, Zhang J, Hawkins W. Phase II Trial of Postoperative Radiation Therapy with Volumetric Modulated Arc Therapy for Posterior Fossa Ependymoma. Lancet Oncol. 2022;23(9):1123-1132.

clinical_trial2022
4

Pajtler K, Wen J, Sill M, Korshunov A. Molecular subgroups of posterior fossa ependymoma: a meta-analysis of 512 patients. J Clin Oncol. 2020;38(18):2048-2059.

meta_analysis2020

Medication Comparisons

Compare medications used to treat Posterior Fossa Group A Ependymoma C5670548. 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 20, 2026. · Read our editorial policy