Postoperative radiotherapy in carcinoma of the pyriform sinus. Work of the "Groupe radiothérapie de la Féderation national des centres de lutte le cancer"]
Bulletin du cancer. Radiothérapie : journal de la Société française du cancer : organe de la société française de radiothérapie oncologique(1995)
Abstract
Between January 1980 to December 1985, 248 patients with advanced squamous cell carcinoma of the pyriform sinus were retrospectively analysed. Criteria for inclusion in the study were the following: no previous treatment and treatment combining total pharyngolaryngectomy and postoperative radiotherapy. Mean follow up was 5 years with a minimum of 3 years. Seventy-one patients had a local regional recurrence (27.4%). Clinical staging at presentation and residual tumor at the primary site after surgery were factors significantly associated with higher local failure rates. The 5 year survival rate was 33% and the median survival time was 32 months (plateau was reached after the 6th year). The most frequent severe complication observed was pharyngeal stenosis occurring in 6% of the cases. This study confirms the poor prognosis of squamous cell carcinoma of the pyriform sinus, in spite of the combination of radical surgery and high dose postoperative radiotherapy.
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Key words
pyriform sinus,postoperative radiotherapy,carcinoma,groupe radiothérapie
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