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[Malignant tumors of the testes].

A precise clinical, biological, anatomical and macroscopic study of malignant testicular tumors allows at this stage a more precise therapeutic approach. Orchidectomy, surgical lymphadenectomy or irradiation are essential steps in the treatment of testicular malignancies. Sequential screening of the biological markers is an important criterion for chemotherapy. Their effect obtained in the treatment of nonseminomatous malignant tumors has changed the prognosis. A major question remains whether chemotherapy with all its inconveniences must be employed in all cases.