1980 年 29 巻 2 号 p. 304-307
Our patients with osteosarcoma are divided into 3 groups according to the method of treatment.
Group 1: In the 18 years between 1955 and 1972, immediate surgery with or without chemotherapy was performed in 26 patients. Five-year survival rate of group 1 was 19%.
Group 2: In the 6 years between 1973 and 1978, 10 patients with osteosarcoma received intraarterial continous infusion of drug. All patients underwent delayed surgery following intraarterial continous infusion.
It seems that result of group 2 is better than that of group 1.
Group 3: Since 1978, 1 patient with osteosarcoma receives high dose of methotrexate following surgery.