脊索瘤是一种较少见的恶性肿瘤，原发于纵隔者更为罕见。现报告1例如下。1．病例报告患者男性，52岁，主诉因右侧胸部不适2年，加重1月入院。1990年初无明显诱因出现右们胸首都不适，院外购片发现右纵隔肿瘤，朱治。次年7月症状加重，活动后气短，间断出现声音嘶哑，可自行好转 Chordoma is a rare malignant tumor that is rarer in the mediastinum. The report 1 is for example below. 1. Case report Male patient, 52 years old, complained of 2 years of right chest discomfort and aggravated hospital admission in January. At the beginning of 1990, there was no apparent incentive for right-sided and unpleasant capital discomfort, and right-lateral mediastinal tumors were found after the out-of-hospital purchase. Symptoms worsened in July of the following year, shortness of breath after activity, hoarseness, and self-improvement