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Related Experiment Videos

Wilms' tumor management.

Hsi-Yang Wu1, Howard M Snyder, Giulio J D'Angio

  • 1Department of Pediatric Urology, Children's Hospital of Pittsburgh, Pennsylvania 15213, USA. wuhy@chp.edu

Current Opinion in Urology
|June 2, 2005
PubMed
Summary
This summary is machine-generated.

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Wilms tumor management evolves with less aggressive approaches for low-risk patients, achieving high cure rates and reduced morbidity. High-risk patients benefit from intensive treatment and long-term follow-up for optimal outcomes.

Area of Science:

  • Pediatric Oncology
  • Nephrology
  • Cancer Treatment

Background:

  • Wilms tumor management varies between North American (National Wilms Tumor Study) and European (International Society of Pediatric Oncology) trials, particularly regarding preoperative chemotherapy.
  • Common goals include limiting chemotherapy duration, dosage, agents, and radiotherapy dosage.

Purpose of the Study:

  • To review current and evolving management strategies for Wilms tumor.
  • To compare treatment approaches and outcomes between major international study groups.
  • To identify trends towards less aggressive, yet effective, diagnostic and therapeutic interventions.

Main Methods:

  • Review of recent findings from National Wilms Tumor Study and International Society of Pediatric Oncology trials.
  • Analysis of surgical techniques, biopsy accuracy, and chemotherapy regimens.

Related Experiment Videos

  • Evaluation of long-term outcomes, including recurrence risk and late morbidities.

    • Main Results:

    • Contralateral exploration for unilateral tumors is no longer recommended; percutaneous biopsy is accurate but carries risks.
    • Partial nephrectomy is effective for low-risk tumors, though indications are debated.
    • Surgical complication rates were similar, but tumor spill was higher in North American trials.
    • Doxorubicin reduced stage III recurrence by 50% without increased late heart failure.
    • Shorter vincristine/dactinomycin or vincristine-alone regimens show equivalent results for selected patients.
    • Extended chemotherapy with doxorubicin improves outcomes for clear cell sarcoma.
    • WAGR syndrome patients face a 50% risk of end-stage renal disease by age 20.

    Conclusions:

    • Less aggressive diagnostic and treatment strategies achieve high cure rates with reduced long-term morbidity in low-risk Wilms tumor patients.
    • High-risk patients, including those with unfavorable histology or WAGR syndrome, require intensive treatment and extended follow-up.