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  • Title: [Tonsillar carcinoma: analyses of the therapy and prognostic factors].
    Author: Wang X, Xie FY, Han F, Hu WH, Li JS, Xu HM.
    Journal: Zhonghua Er Bi Yan Hou Tou Jing Wai Ke Za Zhi; 2009 Oct; 44(10):848-52. PubMed ID: 20079056.
    Abstract:
    OBJECTIVE: To retrospectively analyze the therapeutic effect on patients with tonsillar carcinoma and factors affecting their prognosis. METHODS: Clinical data of 61 patients pathologically confirmed with tonsillar carcinoma without distant metastasis were analyzed. All the patients were treated in Cancer Center of Sun Yat-sen University from April 1997 to April 2008. There were 2 patients with undifferentiated carcinoma, 26 with poorly differentiated squamous cell carcinoma and 33 with median-well differentiated squamous cell carcinoma. According to the AJCC 2002 staging criteria for head-neck cancers, there were 9 staged I cases, 7 staged II cases, 23 staged III cases and 22 staged IV cases. The treatment was radiotherapy alone in 27 cases, radiotherapy combined with chemotherapy in 23 cases, surgery combined with postoperative radiotherapy in 6 cases, neoadjuvant chemotherapy plus surgery combined with postoperative radiotherapy in 3 cases, radiotherapy with salvage surgery in 2 cases. RESULTS: The overall 5-year survival rate was 50.2%. For 16 cases with staged I-II staged, there were 8 cases with radiotherapy alone, 5 years survival was 50.0%, 6 cases with surgery combined with postoperative radiotherapy, 5 years survival was 83.3%. The difference between the two treatments was not significant in statistics (P = 0.318). For III-IV staged 45 cases, there were 19 cases with simple radiotherapy, 5 years survival was 51.5%, 21 cases with radiotherapy combined with chemotherapy, 5 years survival was 36.4%, 5 cases with surgery combined with postoperative radiotherapy, 5 years survival was 75.0%. The difference among the three treatments was not significant in statistics (P = 0.239). According to T stages, the 5-year survival rates of stage T1-T4 cases were 91.8%, 46.8%, 29.1%, 0% respectively (chi(2) = 30.168, P < 0.001). Multivariate analysis demonstrated that T stage, therapeutic effect of primary site and cervical metastatic lymph node were the independent prognostic factors (P < 0.05). CONCLUSIONS: T stage, the therapeutic effect of primary site and cervical metastatic lymph node were the independent prognostic factors. For I-II staged tonsillar tumor cases, based on organ preservation, were tendency to choice simple radiotherapy. For III-IV staged cases, yet the relationships between therapeutic mode and therapeutic effect still need further researches.
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