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Related Experiment Videos

Human malignant gliomas treated with chemotherapy: a pathological study

D Schiffer, M T Giordana, P Buoncristiani

    Neurosurgery
    |November 1, 1978
    PubMed
    Summary

    Chemotherapy did not induce specific histological changes in malignant cerebral tumors. However, reactive astrocytes with bizarre nuclei were linked to repeated chemotherapy or longer radiotherapy duration.

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    Area of Science:

    • Neuro-oncology
    • Cancer research
    • Histopathology

    Background:

    • Malignant cerebral tumors pose significant treatment challenges.
    • Chemotherapy is a common therapeutic modality for these tumors.
    • Understanding treatment-induced histological changes is crucial for patient management.

    Purpose of the Study:

    • To investigate specific histological alterations in malignant cerebral tumors following chemotherapy.
    • To correlate observed histological changes with treatment protocols and outcomes.

    Main Methods:

    • Histopathological examination of 21 malignant cerebral tumors treated with chemotherapy.
    • Coronal brain slices embedded in paraffin were analyzed.
    • Comparison of tumor and adjacent normal tissue histology with biopsy findings.

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    Main Results:

    • All tumors exhibited characteristic glioblastoma features, including central necrosis.
    • No distinct histological alterations directly attributable to chemotherapy were identified.
    • Increased atypical (monstrous) cells and decreased mitoses were noted in some areas but lacked general significance.
    • A statistical association was found between reactive astrocytes with bizarre nuclei and repeated chemotherapy or prolonged post-radiotherapy intervals.

    Conclusions:

    • Chemotherapy does not appear to induce specific, widespread histological changes in malignant cerebral tumors.
    • The presence of reactive astrocytes with bizarre nuclei may serve as an indicator of treatment intensity or duration.
    • Further research is warranted to elucidate the clinical implications of these findings in neuro-oncology.