摘要: Any discussion of the value irradiation in myelogenous leukemia must be based on a knowledge natural course this disease. The duration life untreated cases is not well known; statistics are few, and following factors make difficult determination point: disease comparatively rare, literature contains only few large series cases; since development radiation therapy, rarely encountered; early writers did clearly distinguish between lymphatic leukemia; addition, gradual makes it to determine exact time onset. statement usually made that from two four years. In 1924, Minot, Buckman Isaacs1published study 166 cases, including group 130 which total was known. This