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Related Experiment Videos

The brain surrounding malignant gliomas: an ultrastructural study

J F Foncin, J Le Beau

    Acta Neurochirurgica
    |January 1, 1978
    PubMed
    Summary

    Oedema surrounding malignant gliomas differs morphologically from that around other tumors. This brain swelling, primarily serous extracellular fluid, originates within the tumor itself, not from vascular changes.

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    Brain oedema in neuro-surgery.

    Proceedings of the Royal Society of Medicine·2010

    Area of Science:

    • Neuropathology
    • Oncology
    • Electron Microscopy

    Background:

    • Brain edema is a common complication of malignant gliomas.
    • Understanding the precise mechanisms and morphology of glioma-associated edema is crucial for patient management.

    Purpose of the Study:

    • To investigate the ultrastructural characteristics of edema in malignant glioma patients.
    • To compare the morphology of edema in malignant gliomas with edema in other tumor types.

    Main Methods:

    • Electron microscopy was used to examine brain samples.
    • Samples were obtained from edematous zones during 21 malignant glioma surgeries.

    Main Results:

    • Edema was detected in 17 out of 21 cases, predominantly as serous extracellular fluid.
    • Vascular changes were secondary to edema, suggesting the tumor itself is the source of edema fluid.
    • Cellular reactions were minimal, with neuronal lesions attributed to axonal flow disruption.
    • Edema associated with malignant gliomas exhibited distinct morphological features compared to edema around other tumors.

    Conclusions:

    • The origin of edema fluid in malignant gliomas is likely intrinsic to the tumor.
    • Malignant glioma-induced edema has unique ultrastructural properties.
    • These findings highlight differences in edema formation between various tumor types.

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