Journal
RADIOTHERAPY AND ONCOLOGY
Volume 63, Issue 3, Pages 257-267Publisher
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0167-8140(02)00118-4
Keywords
laryngeal carcinoma; glottic carcinoma; squamous cell carcinoma; radiation; radiotherapy; recurrence; survival rate; second primary neoplasms
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Background and purpose: The aim of this study was to evaluate the patterns of failure and the treatment of recurrences, in a series of primary irradiated patients with squamous cell carcinoma of the glottic larynx. Materials and methods: Eight hundred and sixty-one consecutive patients were included in this study from 1963 to 199 1, out of which 74 were females and 787 mates. The stages were: I 56,II 26, III 15, and IV 3%. In 847 of 861 cases (98%) the primary treatment was delivered with curative intent, and out of these 834 patients received primary radical radiotherapy. Results: With a minimum follow up of 5 years, 274/861(32%) patients had persistent or recurrent disease; in 91% of these the persistent or recurrent disease was in the T-position, 15% in the N-position, and 5% developed distant metastases. Curative salvage attempt was possible in 207 patients, and 145 were subsequently controlled. A total of 718 (83%) patients obtained ultimate tumour control, 584 (68%) without a laryngectomy (134 of the controlled had a laryngectomy, 109 had a total laryngectomy and 25 had a partial laryngectomy). In the patients treated with curative intent, the overall 5-year local tumour control, loco-regional tumour control, disease specific survival rate and overall survival rate was 72, 70, 86 and 66%, respectively. For patients with small tumours the disease specific survival for T1a, T1b and T2 was 95, 93 and 83%, respectively. In the 718 patients cured for their glottic carcinoma, 204 new primary malignant tumours were detected. Conclusions: The study shows that laryngeal glottic carcinoma can be effectively managed by primary radiotherapy and surgery salvage. The control is obtained with a high proportion of laryngeal preservation (68%). Recurrences treated with surgical salvage have a success rate of 70%. New primaries are a major problem. (C) 2002 Elsevier Science Ireland Ltd. All rights reserved.
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