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Brachytherapy for pediatric soft-tissue sarcoma.

T E Merchant1, N Parsh, P L del Valle

  • 1Department of Radiation Oncology, St. Jude Children's Research Hospital, Memphis, TN 38105, USA. thomas.merchant@stjude.org

International Journal of Radiation Oncology, Biology, Physics
|February 8, 2000
PubMed
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Brachytherapy (BRT) shows excellent results for treating pediatric soft-tissue sarcoma (STS), achieving high disease control rates alone or with external beam radiation. This radiation technique is a viable option for pediatric STS patients.

Area of Science:

  • Oncology
  • Radiation Oncology
  • Pediatric Cancer

Background:

  • Soft-tissue sarcoma (STS) is a rare malignancy in children.
  • Brachytherapy (BRT) offers a localized radiation approach that may minimize toxicity.
  • Evaluating BRT's efficacy in pediatric STS is crucial for treatment optimization.

Purpose of the Study:

  • To review the use and outcomes of brachytherapy (BRT) for treating pediatric soft-tissue sarcoma (STS).
  • To assess disease control, survival, and toxicity associated with BRT in this patient population.

Main Methods:

  • Retrospective review of 31 pediatric patients with Grade 2-3 STS (excluding specific types) treated with BRT.
  • BRT utilized I-125 or Ir-192 via temporary or permanent implants, alone or combined with external beam radiation therapy (EBRT).

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  • Analysis of patient demographics, tumor characteristics, treatment regimens, and clinical outcomes.

    • Main Results:

    • High rates of local and regional disease control were observed with BRT, particularly when combined with EBRT.
    • Among 10 patients treated with BRT alone, 9 had no local or regional failures.
    • The median survival for surviving patients was 34 months, with common side effects including wound issues and skin changes.

    Conclusions:

    • Brachytherapy (BRT) is an effective treatment for pediatric soft-tissue sarcoma (STS), achieving high success rates.
    • BRT, alone or with EBRT, offers a valuable option for disease control, potentially reducing normal tissue dose and treatment time.
    • Further prospective studies are needed to fully assess limb preservation, functional outcomes, and toxicity.