自从Blalock 1939年报道1例患重症肌无力和胸腺瘤病人在胸腺切除术后,重症肌无力也获得治愈以来,国外文献上陆继有关应用胸腺切除术治疗胸腺瘤合并重症肌无力的报道,大多数病例是为了治疗胸腺肿瘤而施行手术。约有40 ～50％病例,术后重症肌无力症状也获得改善或完全消失,从而促使人们设想胸腺肿瘤或胸腺与重症肌无力有一 Since Blalock reported in 1939 that 1 patient with myasthenia gravis and thymoma had thymectomy after thymectomy, myasthenia gravis has also been cured. The foreign literature on the application of thymectomy for the treatment of thymoma with myasthenia gravis has been reported. Most cases are performed for the treatment of thymic tumors. About 40 to 50% of cases, the symptoms of postoperative myasthenia gravis also improved or completely disappeared, which prompted people to imagine a thymus tumor or thymus and myasthenia gravis