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观察经病理细胞学证实的中心型肺癌阻塞性肺炎72例的X线表现，结果显示，阻塞性肺炎可以发生于狭窄支气管远侧全肺（36／51）或部分（15／51）肺组织；形态多样。46％（33／72）误诊。重点探讨误诊原因，右上叶阻塞性肺炎误诊可望避免，其他多种情况误诊难以避免。
Observing the pathological cytology confirmed 72 cases of central lung cancer obstructive pneumonia X-ray findings, the results showed that obstructive pneumonia can occur in the bronchial bronchus distal lung (36/51) or part (15/51) lung tissue; Various forms. 46% (33/72) were misdiagnosed. Focusing on the causes of misdiagnosis, misdiagnosis of obstructive pneumonia in the right upper lobe is expected to be avoided, and misdiagnosis in other cases is difficult to avoid.