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Malignant urinary tract tumor in childhood
1Department of Pediatrics, College of Medicine, National Taiwan University Hospital, Taipei, R.O.C.
Journal of the Formosan Medical Association = Taiwan Yi Zhi
|November 1, 1991
Summary
Pediatric malignant urinary tract tumors, primarily kidney cancers, present with abdominal masses or hematuria. Despite multimodal treatment, survival rates remain low, highlighting the need for improved therapeutic strategies in pediatric oncology.
Area of Science:
- Pediatric Oncology
- Urologic Oncology
- Cancer Research
Background:
- Malignant urinary tract tumors in children are rare but serious conditions.
- Early diagnosis and effective treatment are crucial for improving outcomes.
Purpose of the Study:
- To analyze the clinical characteristics, treatment modalities, and outcomes of pediatric malignant urinary tract tumors.
- To identify prognostic factors influencing survival in this patient population.
Main Methods:
- Retrospective review of 51 pediatric patients with malignant urinary tract tumors treated between 1979 and 1989.
- Data collection included tumor type, clinical presentation, diagnostic methods, treatment, complications, and survival.
- Statistical analysis of prognostic factors such as histology, staging, and vascular invasion.
Main Results:
- Kidney tumors accounted for the majority (47/51) of cases, with abdominal mass being the most common symptom.
- Associated congenital anomalies were present in 20% of patients.
- The overall mortality rate was 53%, with a two-year survival rate of 47.6%.
- Local recurrence (32%) and metastatic rates (34%) were significant.
- Histology, staging, vascular invasion, and combined treatment modalities were identified as key prognostic factors.
Conclusions:
- Pediatric malignant urinary tract tumors have a high mortality rate, emphasizing the need for aggressive and multimodal treatment approaches.
- Early detection and comprehensive management strategies are essential for improving the prognosis of affected children.
- Further research into novel therapeutic interventions is warranted to enhance survival rates and reduce long-term complications.