EVALUATION OF THE TREATMENT RESULTS OF THE ORAL CAVITY CANCER STAGE III-IVA, B AT NATIONAL CANCER HOSPITAL
Main Article Content
Abstract
Objectives: oral cavity cancer patients with III-IVA,B stage. Materials and method: Uncontrolled clinical trials in 46 patients diagnosed with III-IVA,B stage oral cavity cancer at the Head and Neck Radiotherapy Department – National Cancer Hospital from September 2018 to June 2022. Results: The rate of complete response after treatment was 67.4%, the rate of patients with objective response accounted for 82.6%. Median follow-up was 16.58 months [4.86-38.13]. Overall survival rate at 12 months, 24 months and 36 months was 71.3%; 54.4% and 40.8%, respectively. The mean overall survival was 25.0 ±2.1 months. Recurrence and metastasis usually occur within the first 2 years after treatment. The progression-free survival rate at 12 months, 24 months and 36 months respectively was 70.8%; 55.9% and 49.7%. The mean progression-free survival time was 24.8 ± 2.3 months. The most common late complication is dry mouth, accounting for 71.7%. Conclusion: Concurrent chemoradiotherapy using VMAT technique in oral cavity cancer stage III-IVA,B achieved good results. Late complications occur at a low rate, demonstrating that VMAT has many advantages over basic radiotherapy techniques.
Article Details
Keywords
oral cavity cancer, III-IVA,B stage, concurrent chemoradiation, Volumetric Modulated Arc Therapy
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