Treatment of retroperitoneal residual tumor after PVB chemotherapy of nonseminomatous testicular tumors

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Abstract
Twenty-five patients with nonseminomatous testicular tumors stages IIB and IIC were treated at the Groningen University Hospital between January 1978 and April 1983. One patient died from his extensive tumor during chemotherapy. The remaining 24, treated by combination chemotherapy with cisplatin, vinblastine, and bleomycin as well as by surgery, are all alive after a mean follow-up period of 56 months. A laparotomy was performed after chemotherapy in each of the 24 cases. In four patients no residual tumor was found. Residual tumor was resected in 20 patients, in 13 the tumor contained only necrosis and fibrosis, 7 had mature teratoma. Comparison of the histologic features of the primary testicular tumor with those of the retroperitoneal residual tumor after chemotherapy, revealed that if the primary tumor did not contain a teratoma component the residual tumor showed only necrosis and/or fibrosis. When the primary tumor contained a teratoma component, mature teratoma was found in 50% (7/14) of the residual tumors.