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  • Title: Treatment of malignant testicular tumors in childhood: results of the German National Study 1982-1992.
    Author: Haas RJ, Schmidt P, Göbel U, Harms D.
    Journal: Med Pediatr Oncol; 1994; 23(5):400-5. PubMed ID: 7521931.
    Abstract:
    The German Cooperative Protocol for treatment of testicular germ cell tumors in childhood registered 106 patients from January 1982 through February 1992. Sixty-one patients suffered from yolk sac tumors (YST); 25 patients from differentiated teratomas (TD); 19 patients from malignant teratomas of either intermediate (MTI), undifferentiated (MTU), or trophoblastic type (MTT), and 1 patient from a seminoma. A stratified chemotherapy based on stage and histology was administered in addition to unilateral orchiectomy: Standard chemotherapy consisted of four treatments with vinblastine, bleomycin, and cisplatinum. If viable tumor was suspected after two treatments with standard chemotherapy, a delayed explorative laparotomy was done. There were two options based on the histological findings: In case of complete tumor regression, the standard chemotherapy was continued. In case of incomplete tumor response, patients received a salvage chemotherapy consisting of three treatments with VP 16 (etoposide), ifosfamide, and cisplatinum. In addition three injections with VP 16 were given as a maintenance therapy. The following results were obtained: YST: 59 patients with stage I. Forty-nine patients were followed according to "wait and see" policy. Eight of these needed a delayed standard chemotherapy. The relapse free survival of all 61 patients in 100%. Median observation time is 49 months. TD: Twenty-five patients had stage I. No chemotherapy was given. The relapse free survival is 100%. Median observation time is 48 months. Malignant teratomas (MTI, MTU, MTT): 8 patients had stage I. Three of these received adjuvant chemotherapy and 5 lymphadenectomy without chemotherapy. All patients survived without relapse. Nine patients had stage II and received standard chemotherapy. Four of these patients had a delayed explorative laparotomy leading to a salvage therapy in two patients. All patients survived relapse free. Two patients had stage III. Of these 1 received standard chemotherapy and is well. One patient suffering from MTU stage IIIA died due to candida septicemia during salvage therapy. Median observation time of the entire group is 60 months.
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