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Intracranial ependymomas

Y H Kim, J V Fayos

    Radiology
    |September 1, 1977
    PubMed
    Summary
    This summary is machine-generated.

    Spinal implants can occur in patients with intracranial ependymoma, especially those with poorly differentiated or infratentorial tumors. Spinal axis irradiation may be necessary to prevent or treat these significant spinal subarachnoid implants.

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    Area of Science:

    • Neuro-oncology
    • Radiation Oncology
    • Neurosurgery

    Background:

    • Intracranial ependymomas are brain tumors that can spread.
    • Spinal subarachnoid implants are a known complication.
    • Previous studies have highlighted the risk of tumor seeding.

    Purpose of the Study:

    • To investigate the incidence and characteristics of spinal implants in patients treated for intracranial ependymoma.
    • To determine risk factors associated with spinal implant development.
    • To inform recommendations for treatment strategies.

    Main Methods:

    • Retrospective review of 32 patients treated for intracranial ependymoma between 1955 and 1972.
    • Analysis of patient records for development of spinal subarachnoid implants.

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  • Correlation of implant occurrence with tumor characteristics and treatment received.

    • Main Results:

    • Spinal subarachnoid implants were observed in 11 of 32 patients (34.4%).
    • Tumor location (infratentorial) and differentiation (poorly differentiated) were associated with higher risk.
    • Seven patients required spinal axis irradiation for symptomatic implants.

    Conclusions:

    • Poorly differentiated and infratentorial intracranial ependymomas have a significant risk of spinal seeding.
    • Spinal irradiation is recommended for these tumor types to prevent or manage spinal implants.
    • Early detection and management of spinal implants are crucial for patient outcomes.