Heater K, MacMahon H, Vyborny C J
Department of Radiology, University of Chicago, Illinois 60637.
Clin Imaging. 1989 Jun;13(2):122-6. doi: 10.1016/0899-7071(89)90092-2.
Dysphagia is a relatively uncommon presenting symptom of lung carcinoma that usually occurs in association with mediastinal adenopathy. However, a bronchogenic carcinoma will occasionally involve the esophagus by direct invasion. These central lesions can be difficult to visualize on chest radiographs and may not be detected by esophagoscopy or barium swallow. In such cases, a computed tomography scan of the thorax may suggest the correct diagnosis.
吞咽困难是肺癌相对不常见的症状，通常与纵隔淋巴结肿大有关。然而，支气管源性癌偶尔会通过直接侵犯累及食管。这些中央病变在胸部X光片上可能难以看清，食管镜检查或吞钡检查也可能无法检测到。在这种情况下，胸部计算机断层扫描可能提示正确的诊断。
