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  • Title: [Renal neoplasms in children].
    Author: Sawicz-Birkowska K, Czernik J, Bagłaj M, Czauderna P, Kantorowicz-Szymik S, Poznański WA, Mańkowski P, Madziara W, Prokurat A, Osemlak J.
    Journal: Przegl Lek; 2004; 61 Suppl 2():20-3. PubMed ID: 15686041.
    Abstract:
    UNLABELLED: Nephroblastoma is the most common kidney tumor in Polish children. OBJECTIVE: to present clinical material and outcome of 533 children with renal tumors. MATERIAL: 500 pts with nephroblastoma and 33 of non-Wilms: CMN, RCC,CSSK, RTK and others tumors were registered, mean age 4.5 years between 1993 till 2002. Stage: CS I--148, CS II--191, CS III--114, CS IV--51, CS V--29 pts. All pts with nephroblastoma were treated according to the first national PPGGL 01-92 protocol with pre-operative chemotherapy (ACT, VCR) for CS I-III and ACT, VCR, DOX in pts of stage IV, over the age of 6 months. Pre-operative chemotherapy was done to 93.8% pts. RESULTS: Radical nephrectomy post pre op chemotherapy was performed in 451 (98%) pts over 6 months and in 44 (8.2%) infants less than 6 months with nephroblastoma. Partial nephrectomy for unilateral tumor post preoperative chemotherapy was made in 6 (1.2%). In 26/29 (89.65%) of CS V nephroblastoma kidney sparing surgery was possible, and in 12 uni-lateral nephrectomy was performed. Surgical complications were mild and occurred only in 8.9% pts. RESULTS: 5-years overall survival of CS I pts (favorable and standard histology) is 93.48%, CS II--96.8%, CS III--84.4%, CS IV--67%, CS V--58%. The results of treatment of 33 pts with non-Wilms renal tumors have improved lately. 78.7% of our pts achieved 5-years overall survival. CONCLUSIONS: The use of systemic neoadjuvant chemotherapy in all pts over 6 months according to the recommendation of SIOP Nephroblastoma protocol (01-92) produced tumor shrinkage, facilitated complete surgical nephrectomy, and was very advantageous in the treatment of renal tumors in children. The results of treatment of non-Wilms tumor have also improved thanks to introduction of new and more aggressive regimens of chemotherapy.
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