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Related Experiment Videos

Transient cerebral dysfunction following chemotherapy for osteogenic sarcoma.

J C Allen, G Rosen

    Annals of Neurology
    |May 1, 1978
    PubMed
    Summary

    Four osteosarcoma patients developed a brief neurological syndrome after chemotherapy with vincristine and high-dose methotrexate. Symptoms resolved, and recurrence was not observed upon re-treatment, suggesting a transient treatment-related effect.

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    Area of Science:

    • Neurology
    • Oncology
    • Pharmacology

    Background:

    • Osteosarcoma treatment often involves combination chemotherapy.
    • High-dose methotrexate with citrovorum factor rescue is a component of some regimens.
    • Neurological complications are rare but significant adverse events in cancer therapy.

    Observation:

    • Four out of 158 osteosarcoma patients developed an acute neurological syndrome.
    • The syndrome manifested as focal cerebral deficits approximately 10 days post-chemotherapy.
    • Symptoms were transient, occurring early in treatment, with 2 patients experiencing prolonged deficits.

    Findings:

    • The neurological syndrome was associated with vincristine and high-dose methotrexate plus citrovorum factor.
    • No recurrence of neurological complications was observed when chemotherapy was reinstituted.

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  • Potential etiologies include methotrexate-induced leukoencephalopathy or embolic cerebral vasculopathy.

    • Implications:

    • This suggests a potential, transient neurotoxicity associated with this specific chemotherapy regimen.
    • Vigilance for neurological symptoms is warranted in patients receiving similar treatments.
    • Further research may elucidate the precise mechanism of this neurological syndrome.