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8～20%的重症肌无力患者(MG)伴发胸腺肿瘤.关于胸腺瘤的诊断,胸部平片(CR)及断层摄片(LT)均没有纵膈CT检查敏感,然而CT虽能检出非常小的胸腺瘤,但对鉴别胸腺瘤和胸腺增生仍有困难.作者对36例行胸腺切除的MG患者作了回顾性分析,结果发现胸腺瘤10例(病理证实),10例CT全部呈现异常,而CXR异常仅5例(50%).LT检查的8例中7例呈现异常(87%).病理呈现肿瘤钙化
8 to 20% of patients with myasthenia gravis (MG) were associated with thymic tumors. Regarding the diagnosis of thymoma, there were no CT scans for chest radiographs (CR) and tomography (LT), although CT could detect Very small thymoma, but still difficult to identify thymoma and thymic hyperplasia. The authors retrospectively analyzed 36 cases of MG patients undergoing thymectomy and found thymoma in 10 cases (pathologically confirmed), 10 cases of all CT Abnormalities, but CXR abnormalities were only 5 cases (50%). Of the 8 cases examined by LT, 7 cases showed abnormality (87%). Pathological presentation of tumor calcification