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Clinical study of the advanced testicular tumor non-achieved complete response by primary chemotherapy and relapse cases. The East Japan Testicular Tumor Study Group


, : Clinical study of the advanced testicular tumor non-achieved complete response by primary chemotherapy and relapse cases. The East Japan Testicular Tumor Study Group. Nihon Hinyokika Gakkai Zasshi. Japanese Journal of Urology 85(4): 642-648

The East Japan Testicular Tumor Study group has studied advanced testicular tumors. Treatment and prognosis of the patients who did not achieved complete response on the primary chemotherapy were discussed in this paper. Also 8 patients who had once reached complete response by primary treatments and relapsed later have been clinically analyzed. 1. Concerning the patients non-achieving complete response on the primary chemotherapy: Two cases who had resection of the residual tumors and 4 cases who had radiation therapy had reached NED in 7 cases of seminoma stage II. Nine of 10 cases in non-seminoma stage II reached NED on resection of the residuals. Moreover, 10 out of 17 cases in stage III showed NED on excision of the residuals. On the other hand, recuperating was very difficult in the cases who could not have excision of residual tumor. The histological findings of the residual tumors after chemotherapy were necrosis and fibrosis in 13 cases, viable cells in 4 cases, teratoma in 6 cases and other 2 cases were not clear. Five out of 15 who had teratoma in the primary lesion had teratoma in the resected residuals on metastatic lesion. On the other hand 5 patients who did not have teratoma originally had no any teratoma elements in the residuals. 2. Concerning the relapse cases by primary treatments: Although relapses were possible in any stages, they were more common with stage IIIB and IIIC cases. Those who achieved complete response after chemotherapy alone fewer relapse than those who had partial response after chemotherapy and there after had excision of residual tumor.

US$29.90

PMID: 8189662


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