我院从1975年1月～1982年12月,经手术和病理检查证实为原发性纵隔肿瘤及囊肿共60例,现分析讨论如下。一、一般资料本组60例中,男36例,女24例。发病年龄自5～53岁,其中5～20岁9例,21～50岁44例,50岁以上7例。属良性48例,恶性12例。肿瘤及囊肿的类别及性质(表1)。在19例神经原性肿瘤中,包括神经纤维 In our hospital from January 1975 to December 1982, 60 cases of primary mediastinal tumors and cysts were confirmed by surgery and pathological examination. The analysis and discussion are as follows. First, general information In this group of 60 cases, 36 males and 24 females. The age of onset was from 5 to 53 years old, including 9 patients aged 5 to 20 years, 44 patients aged 21 to 50 years, and 7 patients over 50 years old. There are 48 benign cases and 12 malignant cases. The types and nature of tumors and cysts (Table 1). In 19 neurogenic tumors, including nerve fibers