患者女性,42岁。因胸痛、活动后气短、咳嗽1年于1991年7月15日入院。查体:表浅淋巴结不肿大,气管左移,右侧胸廓隆起,右锁骨中线第二肋间以下,腋中、后线第四肋间以下叩诊呈浊音,呼吸音减弱。心浊音界左移,达腋前线。胸部X线片:右侧第二前肋以下有均匀致密影,上、后缘界限清楚,占据前、中纵隔,呈椭圆形块影。CT片:右侧胸腔内12cm×15cm×16cm巨大混杂密度肿块,包膜完整,纵隔内脏器左移。诊断:巨大纵隔畸胎瘤。于7月26日经右后外侧切口第六肋床进胸,术中见肿瘤与胸壁紧密粘连,以肋面和膈面粘连最紧密,约13cm×15cm×17cm大小,肿瘤呈分隔多房样,内含大量 Female patient, 42 years old. He was admitted to hospital on July 15, 1991 for chest pain, shortness of breath and coughing for 1 year. Examination: superficial lymph nodes are not swollen, trachea left, right thoracic bulge, right clavicle midline below the second intercostal space, in the middle and back of the fourth intercostal space below the percussion was dull, breath sounds weakened. The voiced voice sector shifted to the left and reached the front line. Chest X-ray film: There is a uniform and dense shadow on the right second front rib, and the boundary between the upper and the posterior edges is clear. It occupies the anterior and mediastinum and shows an oval block shadow. CT piece: 12cm × 15cm × 16cm huge mixed-density mass in the right thoracic cavity with complete capsule and medial visceral organ left. Diagnosis: Huge mediastinal teratoma. On July 26th, the sixth ribbed bed was inserted into the chest through the right posterolateral incision. During the operation, the tumor was tightly attached to the chest wall. The rib and the palpebral surface were most closely adherent. The size was approximately 13cm×15cm×17cm. The tumor was separated and multi-roomed. , contains a lot of