Primary Malignant Mediastinal Germ-Cell Tumors and the Contribution of Radiotherapy
Citations Over TimeTop 14% of 1987 papers
Abstract
A retrospective review was performed by a multi-institutional study group to determine the contribution of radiotherapy to the management of primary malignant mediastinal germ-cell tumors. Twenty-seven patients diagnosed with a primary mediastinal germ-cell tumor between January 1965 and July 1985 form the basis of this study. Twenty-five of the 27 patients were male. Thirteen patients' tumors were diagnosed as seminoma and the remaining 14 patients' tumors had other germ-cell histologies. The single most important prognostic factor was histology, with a 5-year actuarial survival of 100% for the seminomas and only 8.8% for the remaining germ-cell varieties. If total surgical extirpation is not possible, biopsy may be adequate. Of the patients with seminoma, 11 of 12 had local control, and 3 of the 12 patients were treated with doses between 3,000 and 3,100 cGy. High doses for this variety of mediastinal germ-cell tumor might not be required. For the germ-cell tumors other than seminoma, no patient had local control with doses over the range of 3,000-4,750 cGy.
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