原发纵隔生殖细胞源性肿瘤罕见。本院自1990年以来收治纵隔糖原细胞瘤1例，纵隔胚胎细胞癌1例，现报告如下。例1，男性，34岁。右侧胸痛9个月入院。体检：颈流脉轻度恶张，锁骨上淋巴结（－），胸廓外观正常，双侧寒九未发现异常。X线陶片示前纵隔半园形块影，直径10cm×12cm， Primary mediastinal germ cell-derived tumors are rare. Since 1990, this hospital has treated 1 case of mediastinal glycocytoma and 1 case of septal embryonic cell carcinoma. The report is as follows. Example 1, male, 34 years old. Right chest pain was admitted to the hospital for 9 months. Physical examination: The jugular veins were mildly metanephros, with supraclavicular lymph nodes (-), and the appearance of the thorax was normal. No abnormalities were found in the bilateral cold ninth. The X-ray pottery shows the front mediastinum half-round block shadow, diameter 10cm × 12cm,