白血病的病变不只限于造血器官,亦可以引起全身脏器的白血病细胞浸润。白血病的肺部病变主要有:白血病肺部浸润,纵隔淋巴结肿大、肺出血、肺部感染、胸腔积液以及肺梗塞等。堀内笃报告132例,临床检查有肺部病变者34例(25.7%),尸检84例中67例(79.7%)肺部发现异常。关于胸部X 线所见,伊藤等分为五型:(1)肺纹理增强;(2)支气管肺炎或大叶性肺炎;(3)肺门增大;(4)弥漫性阴影;(5)肿瘤样阴影。赤羽分为下列五型:(1)浸润型;(2)支气管肺炎型;(3)肺不张型;(4)肺门淋巴结肿 Leukemia disease is not limited to hematopoietic organs, can also cause systemic organ leukemia cell infiltration. Leukemic lung lesions are: leukemia lung invasion, mediastinal lymph nodes, pulmonary hemorrhage, pulmonary infection, pleural effusion and pulmonary infarction. Horiuchi reported 132 cases, clinical examination of lung lesions in 34 cases (25.7%), autopsy 84 cases of 67 cases (79.7%) lung abnormalities. About the chest X-ray findings, Ito is divided into five types: (1) lung enhancement; (2) bronchial pneumonia or lobar pneumonia; (3) hilar enlargement; (4) diffuse shadow; Tumor-like shadow. Red feathers are divided into the following five types: (1) infiltrating type; (2) bronchopneumonia type; (3) atelectasis; (4) hilar lymph node