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目的 :探讨良性胸腺瘤复发原因及胸腺瘤新的分类方法、恶性胸腺肿瘤的影像学诊断特点、手术方式、合并重症肌无力患者的处理、胸腺肿瘤术后治疗等。方法 :1975年 1月～ 1995年 12月手术治疗的 73例胸腺肿瘤和囊肿。结果 :总结了恶性胸腺瘤的CT特征 ,恶性胸腺肿瘤应争取全胸腺及脂肪组织切除 ,重视合并重症肌无力的围手术期处理、恶性和潜在恶性胸腺瘤术后应放疗 ,复发病例再手术仍能获得较好疗效。结论 :提出了一种胸腺瘤新的分类方法 ,即良性、潜在恶性、恶性三类 ,较为合理地解释良性胸腺瘤复发原因 ,有助于指导术后治疗
Objective: To investigate the causes of benign thymoma recurrence and new classification methods of thymoma, imaging diagnostic features of malignant thymic tumors, surgical methods, treatment of patients with MG, and postoperative treatment of thymic tumors. Methods: 73 cases of thymic tumors and cysts were treated surgically from January 1975 to December 1995. RESULTS: The CT features of malignant thymoma were summarized. The malignant thymic neoplasms should strive for complete thymic and adipose tissue resection. Pay attention to the perioperative management of myasthenia gravis, malignant and potentially malignant thymoma postoperative radiotherapy, reoperation of recurrent cases Can get better results. Conclusion : A new classification method of thymoma,namely benign,potential malignancy and malignancy,is proposed to rationally explain the causes of recurrence of benign thymoma and help guide postoperative treatment.