Prognostic Factors in Children With Localized Malignant Nonseminomatous Germ Cell Tumors
1999
PURPOSE: Prognostic factors were studied in children older than 1 year who were treated with chemotherapy for extracranial localized malignant non seminomatous germ cell tumors. PATIENTS AND METHODS: Data from two consecutive protocols were pooled. The TGM 85 (1985-1989) protocol consisted of alternating courses of cyclophosphamide, dactinomycin and vinblastine, bleomycin, and cisplatin at a dose of 100 mg/m2 per course. The TGM 90 (1990-1994) protocol was initiated with carboplatin 400 mg/m2 substituted for cisplatin as the only modification to the previous protocol. RESULTS: We examined alpha-fetoprotein (AFP) levels, disease stage, and primary site and identified three prognostic groups. Patients with a poor prognosis had either an AFP level ≥ 10,000 ng/mL or stage III disease and a sacrococcygeal or mediastinal primary site; such patients represented 46% of the patient population and experienced a 43% 3-year failure-free survival rate and a 77% overall survival rate. Patients with a good prognosis had...
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