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  • Title: [Treatment of advanced Wilms' tumor].
    Author: Li MJ, Huang Y, Tang DX, Zhou YB, Tang HF, Liang JF.
    Journal: Zhonghua Zhong Liu Za Zhi; 2006 Oct; 28(10):791-5. PubMed ID: 17366799.
    Abstract:
    OBJECTIVE: To improve prognosis of the patients with advanced Wilms' tumor, the authors compared different therapeutic strategies including preoperative transcatheter arterial chemoembolization (TACE), conventional preoperative chemotherapy and initial surgery. METHODS: Sixty-two patients aged from 5 months to 10 years (mean 3.2 years) were identified from medical records to have histologically confirmed advanced Wilms' tumor during the period from January 1993 to December 2002. The criteria for choice were huge tumor size with a volume more than 550 ml or the mass extending beyond the midline, involvement of vital structures, inferior vena cava invasion, distal metastasis or bilateral Wilms' tumor judged by imaging examination. All cases were divided into 3 groups according to the treatment received: 31 cases in group TACE received preoperative transcatheter arterial chemoembolization with Lipiodol-Epirubicin (EPI)-Vincristine emulsion. One week after TACE, systemic chemotherapy with Actinomycin D (ACTD) was administered and tumor resected at two weeks after TACE. 20 cases in group PC received conventional preoperative chemotherapy with VCR, ACTD plus EPI for 4-5 weeks, and 11 cases in group IS underwent initial surgery. Postoperative treatment for all patients was based on the postoperative staging and tumor histology. RESULTS: In the patients treated with TACE, no drug-induced complications such as cardiotoxicity, nephrotoxicity, hepatic dysfunction or bone marrow suppression were observed except for mild fever due to tumor necrosis. The percentages of tumor size shrinkage were 32.4% and 20.3% in group TACE and group PC, respectively (P < 0.05). Complete surgical removal of the tumor was achieved in 27 patients (87.1%) in group TACE, significantly higher in comparison with 14 in group PC (70.0%, P < 0.05) and 2 in group IS (18.2%, P < 0.01). Event-free survival (EFS) at 2 years was 87.1% (27/ 31), 60.0% (12/20) and 18.2% (2/11), respectivrely. EFS at 4 years was 84.6% (11/13), 56.3% (9/16 ) and 18.2% (2/11) in groups TACE, PC and IS, respectively. CONCLUSION: The present study has shown that both preoperative TACE and conventional preoperative chemotherapy can be applied to the patients with advanced Wilms' tumor who are not candidates for immediately surgical resection. The survival is significantly increased in the patients undergoing preoperativeTACE when compared with conventional preoperative chemotherapy and initial surgery.
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