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报告预后不良型肾母细胞瘤１５例，其中间变形９例，透明细胞肉瘤型４例，杆状细胞肉瘤型２例。１５例患儿均行患肾及肿瘤切除，辅以化疗、放疗。本组病例的总体生存率为５７．１４％，间变型为７５％，透明细胞肉瘤型为５０％，杆状细胞肉瘤型为０。间变形Ⅰ、Ⅱ期患儿，化疗效果较好；透明细胞肉瘤型患儿除骨转移外，尚可出现脑转移，应予放疗，且化疗至少要以长春新碱、更生霉素和阿霉素联合进行；杆状细胞肉瘤型和间变型Ⅲ、Ⅳ期患儿生存率极低，需深入探讨其治疗方法。
Prognosis of poor prognosis reported nephroblastoma in 15 cases, 9 cases of intermediate degeneration, 4 cases of clear cell sarcoma, 2 cases of rod-shaped cell sarcoma. 15 cases of children underwent renal and tumor resection, supplemented by chemotherapy, radiotherapy. The overall survival rate of patients in this group was 57.14%, the anamnesis was 75%, the clear cell sarcoma was 50%, and the rod cell sarcoma was 0. Meta-deformity Ⅰ and Ⅱ children with better chemotherapy; clear cell sarcoma in children with bone metastasis, the brain metastasis can occur, should be radiotherapy, and chemotherapy to at least vincristine, dactinomycin and doxycycline Hormone combination; rod cell sarcoma type and variant type III, IV children with very low survival rate, the need for in-depth discussion of its treatment.