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[Pulmonary metastases from osteosarcoma].

K Sawada, S Hukuma, Y Seki

    Nihon Geka Gakkai Zasshi
    |September 1, 1983
    PubMed
    Summary
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    This study found that surgical resection combined with chemotherapy significantly improves survival for patients with pulmonary metastatic osteosarcoma. Patients receiving this treatment had longer survival and tumor-free intervals compared to those treated earlier.

    Area of Science:

    • Oncology
    • Surgical Oncology
    • Pulmonary Metastasis

    Background:

    • Osteosarcoma commonly metastasizes to the lungs.
    • Effective treatment strategies for pulmonary metastatic osteosarcoma are crucial for improving patient outcomes.

    Purpose of the Study:

    • To evaluate the efficacy of surgical resection combined with adjuvant chemotherapy for pulmonary metastatic osteosarcoma.
    • To compare outcomes between patients treated with a systematic approach versus historical controls.

    Main Methods:

    • Retrospective comparison of 22 patients treated with surgery and chemotherapy against 13 historical controls.
    • Analysis of survival, tumor-free interval, and correlation with surgical interventions (thoracotomies, wedge excision, bloc resection).
    • Evaluation of diagnostic rates for chest X-ray and CT scans.

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    Main Results:

    • Patients receiving surgery and chemotherapy had a median survival of 15 months and a median tumor-free interval of 14 months, compared to 5 and 6 months respectively in controls.
    • Repeated wedge excisions resulted in minimal vital capacity loss.
    • A tumor-free interval greater than 8 months was associated with survival, linked to mitotic ratio.
    • CT scans showed a higher diagnostic rate (67%) than chest X-rays (41%).

    Conclusions:

    • A systematic approach combining surgery and adjuvant chemotherapy is effective for pulmonary metastatic osteosarcoma.
    • Modified Thomfold's indications are suitable for patients with multiple pulmonary nodules and a tumor-free interval exceeding 8 months.