对胸腺瘤良恶性的诊断问题,由于病理组织学与临床生物学行为表现,常存在不一致的现象;而对此现象尚缺乏深入研究,故目前对胸腺瘤的良恶性诊断看法不一致,临床上对其处理原则也不统一。本文仅以近来我们遇到的三例胸腺瘤结合文献复习加以讨论。例一、岳××,男,11岁,住院号37492。患儿于81年3月呼吸困难,颈静脉怒张, For the diagnosis of benign and malignant thymoma, due to histopathological and clinical biological behavior, there are often inconsistent phenomena; however, there is still a lack of in-depth research on this phenomenon, so the current diagnosis of thymoma is inconsistent. Its handling principle is also not uniform. This article only discusses the three cases of thymoma that we have encountered recently, combined with review of the literature. Case I, Yue × ×, male, 11 years old, hospital number 37492. The patient had difficulty breathing in March of 81 and the jugular veins were engorged.