我科自1975年5月～1981年9月经外科手术和病理证实的纵隔肿瘤共40例(不包括原发于纵隔的淋巴系统肿瘤)。本文将该组病例治疗过程中的体会报告如下。资料分析本组男性22例,女性18例,30岁以内者16例,31～50岁24例。肿瘤的病理类型:畸胎类瘤10例(畸胎 A total of 40 mediastinal tumors have been confirmed by surgery and pathology in our department from May 1975 to September 1981 (excluding primary lymphoid system tumors in mediastinum). This article reports the experience of this group of patients in the treatment process as follows. The data analysis included 22 males and 18 females in this group, 16 within 30 years of age, and 24 patients between 31 and 50 years of age. The pathological type of tumor: teratoma tumors in 10 cases (abnormalities