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Related Experiment Videos

[Intraoperative radiotherapy. Preliminary results]

P Maingon1, J Fraisse, O Brun

  • 1Service de Radiothérapie, Centre Georges-François-Leclerc, Dijon.

Annales De Chirurgie
|January 1, 1995
PubMed
Summary

Intraoperative radiotherapy (IORT) combined with external beam radiation therapy shows promising local tumor control rates, particularly for primary gastric adenocarcinoma. Further randomized trials are needed to confirm its value against surgery alone.

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Area of Science:

  • Oncology
  • Radiotherapy
  • Surgical Oncology

Context:

  • Intraoperative radiotherapy (IORT) is an advanced treatment modality.
  • Its application in managing various tumor types, including primary tumors, local recurrences, and nodal extensions, requires evaluation.
  • Optimizing treatment strategies for improved patient outcomes is a key focus in cancer care.

Purpose:

  • To evaluate the efficacy of intraoperative radiotherapy (IORT) in a series of 40 patients with primary tumors, local recurrences, and nodal extensions.
  • To assess the local tumor control rates and postoperative complications associated with IORT.
  • To determine the potential role of IORT in conjunction with external radiotherapy and surgery.

Summary:

  • A retrospective analysis of 40 patients treated with IORT (15-25 Gy) +/- external radiotherapy (15-45 Gy) was conducted.

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  • Local tumor control rates were 61% for primary tumors (70% for gastric adenocarcinoma) and 80.9% after complete surgery.
  • Lower control rates were observed for local recurrences (38%) and nodal extensions (33%), with a 5% postoperative mortality and manageable complications.

    • Impact:

    • This study suggests IORT can achieve significant local tumor control, especially for primary gastric adenocarcinoma.
    • The findings highlight the need for further investigation through controlled, randomized clinical trials to compare IORT with surgery alone.
    • Establishing rigorous indications for IORT will optimize its use in oncological treatment paradigms.