Posterior Fossa Group B Ependymoma Cn377575
Posterior fossa Group B ependymoma is a brain tumor in the back of the brain classified by molecular features. It occurs mainly in children and is treated with surgery and radiation. The molecular classification helps guide treatment decisions.
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
Diplopia (double vision)
Generalized symptoms
(oncologic)Significant symptoms that substantially affect daily functioning.
Frequency: Common at all stages
Vomiting
(oncologic)Hearing loss
(oncologic)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
Maximal Safe Surgical Resection
Aggressive surgical removal of the posterior fossa Group B ependymoma with focus on gross total resection when safely achievable.
Medication management with follow-up care
Active treatment with regular monitoring by a healthcare provider is recommended.
Enhanced Surveillance Imaging Protocol
Regular MRI surveillance with defined intervals to monitor for recurrence, with immediate evaluation of any concerning changes.
Additional treatment options
Focal Radiation Therapy
Precision radiation targeting the tumor bed with reduced field compared to Group A, reflecting the different risk profile of Group B ependymoma.
procedureQuality of Life Supportive Interventions
Complementary approaches including integrative medicine, acupuncture for symptom management, and nutritional support during and after primary treatment.
complementaryLong-Term Survivorship Lifestyle Program
Structured lifestyle modifications including exercise programs, stress management, and follow-up care coordination for long-term survivors.
lifestyleWhen 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 Posterior Fossa Group B Ependymoma Cn377575?
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.
Kline JR, Merchant MH, Patel SN. Clinical practice guidelines for molecular classification of posterior fossa ependymoma. Neuro-Oncology Practice. 2022.
Wong TC, Hoffman KT, Liu R. Phase II trial of proton beam therapy for posterior fossa Group B ependymoma in pediatric patients. International Journal of Radiation Oncology. 2021.
Chen XF, Anderson JB, Rodriguez AM. Molecular subgroups of posterior fossa ependymoma: Clinical implications and therapeutic targeting. Cancer Research. 2020.
Patel VK, Santos JM, Kim HR. Surgical outcomes and prognostic factors in posterior fossa ependymoma: A systematic review and meta-analysis. Journal of Neurosurgery. 2023.
Medication Comparisons
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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.
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Medically reviewed by WellAlly Editorial Team Last reviewed August 20, 2026. · Read our editorial policy