胸腺瘤是较常见的纵隔肿瘤 ,除依据病理检查明确良性或恶性外 ,主要取决于术中所见。部分合并肌无力者预后不易估计 ,故近年来受到关注。1986年 1月～ 2 0 0 2年 2月 ,我院手术治疗胸腺瘤4 6例 ,其中完整切除肿瘤 33例 (71 7% )。1　临床资料1 1　一般情况　男 35例 ,女 11例 ; Thymoma is a more common mediastinal tumor, in addition to the clear benign or malignant pathological examination, mainly depends on the intraoperative findings. Some patients with myasthenia gravis prognosis is not easy to estimate, so in recent years attention. January 1986 ~ February 2002, surgical treatment of thyroidectomy in our hospital 46 cases, of which 33 cases of complete resection of the tumor (71 7%). 1 Clinical data 1 1 General situation Male 35 cases, female 11 cases;