Abstract
We report 27-years-old and 23-years-old females, diagnosed juxtacortical osteogenic sarcoma. The chief complaints of a 27-years-old female were pain and limitation of movement at the knee joint. Prior to her visit to our hospital, she had been treated several times in some hospital. Another female had a chief complaint of swelliug of the entire leg, which was amputated at the thigh in our hospital. Al-P-tases of both patients were high level, especially that of latter was generally correspond to her phase. And 60Co radiation was a effective treatment.