纵隔纤维母细胞型骨肉瘤误诊１例刘子良，刘旭，侯宝兰，孙正船青岛医学院第二附属医院（青岛市２６６０４２）患者女，４８岁。因胸闷、左上腹痛１个月余入院。查体：左肺下野呼吸音较低。左上腹深压病。Ｘ线胸片见左肺中下野密实，示弧形密度增高影；侧位示病变呈折扇样... Misdiagnosis of mediastinal fibroblast osteosarcoma: 1 case Liu Ziliang, Liu Xu, Hou Baolan, Sun Zhengchuan Female patient, the second affiliated hospital of Qingdao Medical College (Qingdao 266042), 48 years old. Due to chest tightness, left upper abdominal pain was admitted to the hospital for more than 1 month. Physical examination: Lower left lung breath sounds are lower. Left upper abdominal deep pressure disease. X-ray findings in the left lung were dense in the left and right lungs, showing an increase in the density of the arc; the lateral view showed a folding fan...