CARCINOMA OF THE TONSILLAR REGION - A MULTIVARIATE-ANALYSIS OF 243 PATIENTS TREATED WITH RADICAL RADIOTHERAPY

被引:35
作者
LEE, WR
MENDENHALL, WM
PARSONS, JT
MILLION, RR
CASSISI, NJ
STRINGER, SP
机构
[1] UNIV FLORIDA,COLL MED,DEPT RADIAT ONCOL,GAINESVILLE,FL 32611
[2] UNIV FLORIDA,COLL MED,DEPT OTOLARYNGOL,GAINESVILLE,FL 32611
来源
HEAD AND NECK-JOURNAL FOR THE SCIENCES AND SPECIALTIES OF THE HEAD AND NECK | 1993年 / 15卷 / 04期
关键词
D O I
10.1002/hed.2880150402
中图分类号
R76 [耳鼻咽喉科学];
学科分类号
100213 ;
摘要
Between October 1964 and June 1990, 243 patients with squamous cell carcinoma of the tonsillar region were treated with continuous-course radical radiotherapy at the University of Florida. All patients had a minimum 2-year follow-up. Patients were staged according to the AJCC system; stage IV was stratified into two subsets: favorable, IVA (T1-T3 or N2A-N3A); and unfavorable, IVB (T4 or N3B). The initial and ultimate local control rates (including surgical salvage) according to T stage were as follows: T1, 87% and 100%, T2, 79% and 92%; T3, 71 % and 76%; and T4, 44% and 48%. Multivariate analysis demonstrated that anterior extension of the primary tumor (p = .0001) and T stage (p = .014) were the most significant parameters affecting local control after radiotherapy. For T4 lesions, twice-daily irradiation significantly improved local control (p = .04). The 5-year absolute and cause-specific survival rates as a function of modified AJCC stage were as follows: I, 37% and 100%; II, 55% and 90%; III, 55% and 85%; IVA, 35% and 60%; and IVB, 23% and 38%. The probability of a severe complication was 3% for the entire group of patients.
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页码:283 / 288
页数:6
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