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[Relapses in children with nephroblastoma--a single centre experience]
Joanna Stefanowicz1, Danuta Sierota, Katarzyna Połczyńska
1Klinika Pediatrii, Hematologii, Onkologii i Endokrynologii Akademii Medycznej w Gdańsku.
Medycyna Wieku Rozwojowego
|May 25, 2006
Summary
Relapse in pediatric nephroblastoma patients is uncertain. Tumor type and timing of relapse significantly impact outcomes for children treated with SIOP-9 and SIOP 93-01 protocols.
Area of Science:
- Pediatric Oncology
- Nephroblastoma Research
- Cancer Relapse Studies
Background:
- Nephroblastoma (Wilms tumor) is a common childhood kidney cancer.
- Understanding relapse patterns and treatment outcomes is crucial for improving survival rates.
- Previous treatment protocols may influence relapse incidence and prognosis.
Purpose of the Study:
- To evaluate the incidence of relapse in children with nephroblastoma.
- To assess the treatment outcomes for pediatric nephroblastoma patients experiencing relapse.
- To compare relapse rates and outcomes between two different treatment protocols.
Main Methods:
- Retrospective analysis of 67 children treated for nephroblastoma between 1989-2002.
- Patients divided into two groups: Group I (SIOP-9 protocol, n=25) and Group II (SIOP 93-01 protocol, n=42).
- Detailed recording of relapse sites, timing, and patient survival.
Main Results:
- Relapse occurred in 5 children (20%) in Group I and 4 children (9.5%) in Group II.
- Relapse sites included local, pulmonary, and cerebral.
- Mortality rates were 12% in Group I and 4.8% in Group II.
Conclusions:
- Prognosis for pediatric nephroblastoma patients with relapsed disease remains challenging.
- Histological type of the tumor and the timing of relapse are critical prognostic indicators.
- Further research is needed to optimize treatment strategies for relapsed nephroblastoma.