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我院自1978年1月至1980年6月所做629例纤维支气管镜检查中有72例为右肺中叶病变(11.4%).它们包括肺癌、非特异性炎症及其它分别占47.2%、41.7%及11.1%.在X线胸片上,有54.2%表现为肺不张,其中孤立性中叶肺不张占43.1%,炎症30.5%及块影15.3%.在肺不张中、有48.7%是由于肺癌,炎症中77.3%由于非特异性肺炎,而块影则全为肺癌所致.中叶支气管完全阻塞者在肺癌病例中占64.7%,而中叶支气管无明显阻塞者在炎症病人中约占90%.中叶肺不张的病因除大多为非特异性炎症外,以前结核约为15.4～30.4%,肺癌仅占1.4～7.7%;而近来结核仅占2.2～3.2%,肺癌却上升到38.7～43.0%.中叶病变的命名,自1948年Graham提出中叶综合征以来,一直沿用此名.本文讨论了中叶不张的发病机理并根据诊断时的临床特征,提出中叶病变的命名.
72 cases of 629 cases of bronchofibroscopy in our hospital from January 1978 to June 1980 were middle lobe of right lung (11.4%), including lung cancer, nonspecific inflammation and others accounted for 47.2%, 41.7% And 11.1% .Among the X-ray, 54.2% showed atelectasis, with solitary antral atelectasis accounting for 43.1%, inflammation 30.5% and mass shadow 15.3% .Among the atelectasis, 48.7% was due to Lung cancer, inflammation, 77.3% due to nonspecific pneumonitis, while the block is all due to lung cancer.Middle bronchial obstruction in lung cancer cases accounted for 64.7%, while no obvious obstruction in the middle of the bronchial inflammation in patients with about 90%. In addition to mostly non-specific inflammation of the middle of the cause of atelectasis, the previous tuberculosis was about 15.4 ~ 30.4%, lung cancer accounted for only 1.4 to 7.7%; recent tuberculosis accounted for only 2.2 to 3.2%, lung cancer rose to 38.7 to 43.0%. The name of mid-lobe lesions has been used since Graham’s mid-lobe syndrome was introduced in 1948. This paper discusses the pathogenesis of mid-lobe atelectasis and proposes the designation of mid lobe lesions based on the clinical features at diagnosis.