Analysis of the outcomes of squamous cell carcinoma of maxillary sinus with 3 different comprehensive treatments

Abstract

Abstract: PURPOSE: To study the medium or long-term survival rates of different methods used in the treatment of advanced squamous cell carcinoma of the maxillary sinus (SCMS). METHODS: Patients were treated by one of the following methods: 231 patients were treated with induction chemotherapy, followed by radical resection and radiotherapy (CSR); 128 patients were treated with preoperative irradiation（RS）, and 87 patients underwent adjuvant radiotherapy (RSR). A total of 446 cases of SCMS from June 1985 to December 2008 were managed with unscheduled application of the above 3 kinds of treatment options. The dose of 231 patients with CSR and 128 patients with RS was 60-70Gy/30-35times/5-7week and 40-50gy/20-25times/4-5week, respectively. Dose in RSR accounted for half of that in CSR. The number of cases undergoing total resection of maxilla, subtotal resection of maxilla and extended excision of maxilla were 299, 111 and 36, respectively (13 cases had orbital exenteration). The number of patients with therapeutic radical neck dissection, functional neck dissection and supraomohyoid neck dissection were 49, 73 and 56, respectively. The data was analyzed with SPSS16.0 software package. RESULTS: Five-year survival rate in 446 cases was 45.96% (205/446), and 220 patients died of tumors, among which 84.09% (185/220) of death were due to local recurrences. The 5-year survival rate of CSR, RS, and RSR were 45.88% (106/23), 46.09% (59/128) and 45.97% (40/87), respectively; Totally 83.33% of CSR, 85.71% of RS and 83.72% of RSR died of local recurrences. There was no significant difference in the survival rates among CSR, RS and RSR. CONCLUSIONS: Unscheduled comprehensive treatment have a higher 5-year survival rate in this advanced SCMS. Elective neck irradiation and neck dissection are necessary for medium or advanced squamous cell carcinoma of maxillary sinus.

Key words: Maxillary sinus neoplasms, Radiotherapy, Combined modality therapy

CLC Number:

R739.8

PENG Hui,YE Mao-chang,WANG Lai-ping,LI Rong-xin,ZHOU Yu,WANG Yi,ZHU Wei-zheng. Analysis of the outcomes of squamous cell carcinoma of maxillary sinus with 3 different comprehensive treatments[J]. Shanghai Journal of Stomatology, 2015, 24(2): 219-223.

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