原发性纵膈生殖细胞瘤甚为罕见,1997年我院收治患者中仅一例,现报道如下。患者,男性,27岁。1997年9月23日人院。入院前两周出现胸前闷痛和咳嗽,左上肢麻木一周。体检:两侧睾丸无肿大,未及肿块,外生殖器无畸形。胸片发现前上中纵膈偏右侧巨大肿块影,边界尚清,右肺门结构消失。胸部 CT 见 The primary mediastinal germ cell tumor is very rare. In 1997, only one patient was admitted to our hospital. The report is as follows. Patient, male, 27 years old. September 23, 1997 People’s Court. Two weeks before admission, there was chest pain and cough, and the left upper limb was numb for one week. Physical examination: no testicular swelling on both sides, no mass, no external genitalia deformity. On the chest radiograph, a large lump on the right side of the medial mediastinum was found. The boundary was still clear, and the right hilar structure disappeared. Chest CT See