Journal of clinical oncology : official journal of the American Society of Clinical Oncology
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To report the results of the Malignant Mesenchymal Tumors studies (MMT 84 and 89) of the International Society of Pediatric Oncology (SIOP) in males with nonmetastatic paratesticular rhabdomyosarcoma. ⋯ Males with paratesticular RMS have an excellent prognosis except for a selected group of patients older than 10 years or with tumor greater than 5 cm. Intensified chemotherapy incorporating alkylating agents for this subgroup may be preferred to the use of systematic lymphadenectomy to improve survival while minimizing the burden of therapy.