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Radiotherapy for hypopharynx cancers.

Y Pointreau1, J Biau2, N Delaby3

  • 1Institut interrégional de cancérologie (ILC), centre Jean-Bernard, 9, rue Beauverger, 72000 Le Mans, France; Service de radiothérapie, centre régional universitaire de cancérologie Henry-S.-Kaplan, hôpital Bretonneau, CHRU de Tours, 2, boulevard Tonnellé, 37044 Tours, France.

Cancer Radiotherapie : Journal De La Societe Francaise De Radiotherapie Oncologique
|December 26, 2021
PubMed
Summary
This summary is machine-generated.

Intensity-modulated radiotherapy is the standard for hypopharynx cancer. Treatment varies by stage, including exclusive radiotherapy, surgery with postoperative radiotherapy, or induction chemotherapy with chemoradiotherapy, with specific dose guidelines provided.

Keywords:
DelineationDoseDosesDélinéationFrench Society of Radiation OncologyHypopharynx cancerIndicationIndicationsIntensity-modulated radiotherapyRadiothérapie conformationnelle avec modulation d’intensitéRecommandationsRecommendationSociété française de radiothérapie oncologiqueTumeurs hypopharyngée

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Area of Science:

  • Oncology
  • Radiotherapy
  • Head and Neck Cancers

Background:

  • Hypopharynx cancers require precise treatment strategies.
  • Intensity-modulated radiotherapy (IMRT) is the established standard of care.
  • Treatment decisions depend on tumor stage and patient factors.

Purpose of the Study:

  • To update recommendations for hypopharynx cancer radiotherapy.
  • To provide guidance on treatment modalities based on tumor stage.
  • To detail radiation dose prescriptions for various scenarios.

Main Methods:

  • Review and update of French Society of Oncological Radiotherapy guidelines.
  • Analysis of treatment approaches including exclusive radiotherapy, surgery, induction chemotherapy, and concurrent chemoradiotherapy.
  • Delineation of dose prescriptions for curative and prophylactic radiotherapy based on fractionation schedules and pathological criteria.

Main Results:

  • IMRT is the gold standard for hypopharynx cancer.
  • Early-stage tumors (T1-T2) may be treated with exclusive radiotherapy or surgery followed by radiotherapy.
  • Locally advanced (T2-T3) and T4 tumors have specific management pathways involving chemotherapy and/or surgery.
  • Detailed curative and prophylactic radiation doses are provided for non-surgical and post-operative settings, considering fractionation and toxicity.

Conclusions:

  • Updated recommendations emphasize IMRT as the standard for hypopharynx cancer.
  • Treatment selection is stage-dependent, ranging from radiotherapy alone to combined-modality approaches.
  • Specific dose guidelines are provided for non-surgical and post-operative radiotherapy, including considerations for larynx toxicity and lymph node management.