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Related Experiment Videos

[Radiation-induced infiltrating transitional cell carcinoma].

M Maroñas Martín1, J Rubio Briones, L Arribas Alpuente

  • 1Servicio de Oncología Radioterápica, Fundación Instituto Valenciano de Oncología, Valencia.

Actas Urologicas Espanolas
|August 12, 2005
PubMed
Summary

Patients receiving abdominopelvic radiotherapy face an increased risk of developing muscle-infiltrating transitional cell carcinoma (TCC). Persistent urinary symptoms warrant thorough investigation for TCC in this high-risk group.

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Area of Science:

  • Uro-oncology
  • Radiation oncology

Background:

  • Radiotherapy (RT) is a known risk factor for secondary malignancies, including transitional cell carcinoma (TCC).
  • The association between RT and muscle-infiltrating TCC (MI-TCC) is often overlooked due to its low incidence.

Observation:

  • A retrospective analysis identified five patients who developed MI-TCC after abdominopelvic RT.
  • The mean latency period was 19.2 years, with three patients developing MI-TCC over 20 years post-RT.
  • Three patients had additional RT-related pathologies, and two required nephroureterectomy for upper tract MI-TCC.

Findings:

  • All identified MI-TCC cases were high-risk bladder tumors.
  • One patient developed distant metastasis, highlighting the aggressive nature of RT-induced MI-TCC.
  • A prolonged follow-up is crucial for detecting delayed MI-TCC development.

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Implications:

  • Patients undergoing abdominopelvic RT constitute a risk group for MI-TCC.
  • Hematuria or irritative voiding symptoms in this population necessitate comprehensive urological evaluation.
  • Early detection and management are critical for improving outcomes in RT-associated MI-TCC.