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Cerebellar hemangioblastomas

D I Sung, C H Chang, L Harisiadis

    Cancer
    |February 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Postoperative radiotherapy for cerebellar hemangioblastomas improved survival rates when higher doses were used after 1963. This treatment is recommended for incompletely excised or recurrent tumors.

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    Area of Science:

    • Neurosurgery
    • Radiation Oncology
    • Oncology

    Background:

    • Cerebellar hemangioblastomas are tumors that can require postoperative radiotherapy.
    • Radiotherapy techniques and dosage have evolved since the mid-20th century.

    Purpose of the Study:

    • To evaluate the impact of postoperative radiotherapy on survival rates for cerebellar hemangioblastomas.
    • To analyze historical trends in radiotherapy dosage and outcomes.

    Main Methods:

    • Retrospective analysis of 24 patients with cerebellar hemangioblastomas treated between 1950 and 1976.
    • Comparison of survival rates based on radiotherapy dose and timing.

    Main Results:

    • Low-dose radiotherapy in the 1950s and early 1960s was associated with inferior survival.

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  • Higher-dose irradiation postoperatively, particularly after 1963, generally correlated with longer survival.
  • Radiotherapy is indicated for incompletely excised tumors, solid hemangioblastomas, brain stem neoplasms, and recurrent tumors.

    • Conclusions:

    • Postoperative radiotherapy is a crucial adjuvant treatment for cerebellar hemangioblastomas.
    • Higher doses of radiotherapy (4500-5000 rads) are recommended for improved patient outcomes.
    • Treatment strategies have evolved, leading to better survival rates.