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目的 探讨胸腺瘤的X线与CT诊断价值。方法 分析 30例经手术病理证实的胸腺瘤X线和CT表现 ,并与病理对照。结果 18例非侵袭性胸腺瘤 ,胸片仅发现 15例 ,CT扫描 10例 ,均为前纵隔软组织肿块 ,边界清楚 ,密度均匀。 12例侵袭性胸腺瘤 ,肿瘤侵犯邻近器官 ,CT显示纵隔胸膜受侵 3例 ,心包受侵 2例 ,大血管结构受侵 2例 ,胸膜种植 3例 ,胸腔积液 2例 ,腹腔受侵和纵隔淋巴结转移各 1例 ;胸片仅能显示 1例肿瘤侵犯纵隔胸膜和 1例胸膜种植。结论 CT扫描在胸腺瘤的发现和判别侵袭性方面明显优于X线平片并且是可靠预测胸腺瘤侵袭性的检查方法。
Objective To investigate the diagnostic value of X-ray and CT in thymoma. Methods Thirty cases of thymoma confirmed by surgery and pathology were analyzed by X-ray and CT, and compared with pathology. Results 18 cases of non-invasive thymoma, chest X-ray only found in 15 cases, CT scan in 10 cases, all anterior mediastinum soft tissue mass, clear boundary, uniform density. 12 cases of invasive thymoma, tumor invasion of adjacent organs, CT showed mediastinal pleural invasion in 3 cases, 2 cases of pericardial invasion, 2 cases of large vascular invasion, pleural implantation in 3 cases, 2 cases of pleural effusion, peritoneal invasion and Mediastinal lymph node metastasis in 1 case; chest radiograph can only show 1 case of tumor invasion of mediastinal pleura and 1 case of pleural implantation. Conclusion CT scan is superior to X-ray in the detection and discrimination of thymoma and is a reliable method to predict the invasiveness of thymoma.