Nghiên cứu kết quả xạ trị theo không gian 3 chiều của khối u bằng máy gia tốc phối hợp hóa trị trong điều trị ung thư hạ họng - thanh quản giai đoạn muộn

The study of advanced stage hypopharynx that had been treated by concurrent 3D conformal radiochemotherapy at K Hospital showed the results as follows: The average overall survival time, the average disease free survival time, and the 2-year survival time were 22 months, 18 months and 33 percent respectively. Local disease controlled time was 19 months. The percentage of overall recurrence is 11.7 percent (85.7 percent of them was at tumor). The percentage of long distance metastasis was 15 percent (55.6 percent of them was lung metastasis). The recurrent and the metastasis reduced significantly the survival time with p=0.041. All the cases which had received proper treatment showed these results: no symtoms, complete response, tumoral response and nodal response were 56.7 percent, 55 percent, 71.7 percent and 62.8 percent respectively.