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  • Title: [Clinical study on poor-risk patients with non-seminomatous germ cell tumor].
    Author: Okamura K, Takashi M, Hibi H, Tsuji Y, Shimoji T, Ohshima S, Takagi Y, Suzuki Y, Mizutani K, Ono Y, Kato T, Kobayashi M.
    Journal: Hinyokika Kiyo; 1998 Apr; 44(4):265-72. PubMed ID: 9617623.
    Abstract:
    Between 1988 and 1996, we treated 11 poor-risk patients with non-seminomatous germ cell tumors (NSGCT) at Nagoya University Hospital. "Poor-risk" was defined as i) advanced disease equal to or greater than class 7 of the Indiana University Classification (7 patients), ii) primary mediastinal extragonadal NSGCT (2), iii) tumor markers not normalized by the induction chemotherapy (1) or iv) primary retroperitoneal NSGCT with multiple lung metastases (1). Two patients with mediastinal tumors died during the chemotherapy. The minimal volume of fluid must be administered to patients with giant mediastinal tumors. The tumor marker normalized during the induction chemotherapy in only three patients. Three patients, whose tumor markers elevated during or one month after the induction chemotherapy, eventually died of cancer. The tumor markers in five of the seven patients which had not normalized during the induction chemotherapy, had decreased to the normal range during the salvage chemotherapy and two of the five subsequently achieved the status of "no evidence of disease" (NED). Six patients with and two without normalized tumor markers underwent retroperitoneal lymph nodes dissection and/or resection of residual tumors. Pathological examination of the resected tumors showed necrosis/fibrosis in five patients and two had elevated tumor markers immediately after the surgery and eventually died of the disease. Overall, eight (73%) of 11 poor-risk patients achieved a complete response but only five (45%) eventually achieved a NED status that was maintained (6.6 +/- 3.0 years). Our results were not satisfactory, and we believe that new strategies, such as early high-dose chemotherapy, are required for poor-risk patients, who are not likely to respond well to the induction chemotherapy.
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