纵隔皮样囊肿在纵隔肿瘤中较多见,但象本病例如此巨大的纵隔皮样囊肿极少见,我院收治1例。报告如下。患者,女,14岁,于1993年4月开始出现间歇胸痛、干咳、气短、乏力,1995年6月5日加重在外院拟左胸积液治疗15天,未效,转本院。X线胸透:左胸见大片状密影,气管、心脏明显右移,左肋间隙增宽,左肺不张。胸腔穿刺:抽出少量粘稠皮脂样物,黄褐色,无 Mediastinal dermoid cysts are more common in mediastinal tumors, but such a huge mediastinal dermoid cyst is rare in this case, and one case was treated in our hospital. The report is as follows. The patient, female, was 14 years old and began to have intermittent chest pain, dry cough, shortness of breath, and fatigue in April 1993. He was asked to aggravate his left pleural effusion for 15 days on June 5, 1995. He was not effective and was transferred to the hospital. X-ray chest: large chest-like shadows on the left chest, obvious trachea, heart to the right, widened left intercostal space, left lung atelectasis. Thoracic puncture: A small amount of viscous sebum-like material was removed, brown, no