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The Journal of Thoracic and Cardiovascular Surgery, Vol 94, 181-187, Copyright © 1987 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

The role of resection in the treatment of pulmonary metastases from Ewing's sarcoma

LA Lanza, JS Miser, HI Pass and JA Roth

We have investigated the role of resection in the treatment of patients with isolated pulmonary metastases from Ewing's sarcoma. In a retrospective review, 19 patients with the diagnosis of Ewing's sarcoma treated at the National Cancer Institute from 1965 to 1985 who underwent chest exploration for resection of pulmonary nodules were evaluated. Ten patients (53%) were made disease free by resection of pulmonary metastases, six patients (32%) were found to have unresectable disease, and three patients (16%) were found to have benign pulmonary disease. The actuarial 5 year survival rate of the 10 patients successfully made disease free by resection was 15%, and the median survival of this group was 28 months. In contrast, the median survival of the six patients not made disease free was 12 months, and no patient with residual disease was alive 22 months after thoracotomy (p2 = 0.0047). There were no postoperative deaths and only three minor postoperative complications for 25 operative procedures. Various prognostic variables were analyzed to determine their influence on postmetastasectomy survival. There was no difference in postmetastasectomy survival between patients who underwent resection of synchronous versus metachronous pulmonary metastases (p2 = 0.90). Patients who underwent resection of fewer than four malignant nodules had a significantly longer postmetastasectomy disease-free survival (p2 = 0.0019) and overall survival (p2 = 0.06) than those undergoing resection of four or more nodules. Patients who underwent resection of metastases that developed during chemotherapy had a significantly shorter postmetastasectomy survival that those who underwent resection of metastases that developed after chemotherapy (p2 = 0.0295). Our data show that selected patients with Ewing's sarcoma metastatic to the lungs may benefit from an aggressive surgical approach. Also, a significant proportion of these patients will have benign pulmonary disease and can thus avoid additional intensive systemic therapy.

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