Abstract

Objective:To investigate the treatment effect of oral and oropharyngeal cancer resection through oral approach. Methods:Forty-eight patients who with oral and oropharyngeal cancer were admitted to the Department of Oral and Maxillofacial Surgery of the First Affiliated Hospital of Bengbu Medical College from January 2015 to January 2018, and all received preoperative chemotherapy, surgical treatment and postoperative radiotherapy. Among them, twenty-four patients who were treated with tumor resection through oral approach in the experimental group, the other twenty-four patients were treated with tumor resection by external approach in the control group. During the operation, both groups of patients were underwent selective neck lymph node dissection and free skin flap transplantation, and preventive radiotherapy were performed after the operation. The operation time, blood loss, and the positive rate of the wound around the wound and the undercut margin of the two groups were compared, and the survival rate of the skin flap was analyzed. The Kaplan-Meier method was used to calculate the survival rate after 3 years of regular follow-up after surgery, and the difference between the curves of the two surgical methods were compared by the Log-rank test, and the quality of life of patients in one year after operation was investigated and analyzed by Washington University students'quality questionnaire 4. Results:The operation time and blood loss of the experimental group were less than the control group, but the difference was not statistically significant(P>0.05). The positive rate of frozen margins in both groups was 0. The flap survival rate was 95.8% in the experimental group and 91.7% in the control group, there was no significant difference between the two groups(P>0.05), the overall flap survival rate in the two groups was 93.8%. The survival rates of the experimental group were 91.7%, 83.3%, and 74.8% in the 1-, 2-, and 3-years after surgery, and 87.5%, 79.2%, and 75.0% in the control group, there was no statistically significant difference between the experimental group and the control group(P>0.05). The 1-year, 2-year and 3-year overall survival rates of the two groups were 93.1%, 83.7% and 78.8% respectively. Compared with the control group, the scores of appearance, activity, recreation, swallowing, chewing, speech and mood in the experimental group were significantly higher(P<0.05). Conclusion:Resection of oral cancer tumors through the oral approach with free skin flap repair is in line with the concept of minimally invasive surgery, which improves the quality of life of patients after surgery while ensuring the survival rate, and is worthy of clinical application and promotion.

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