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目的探讨巨大肺大泡胸部X线平片和CT的诊断价值及与局限性气胸的鉴别诊断。方法对6例经手术证实的巨大肺大泡进行回顾性分析,患者行X线胸片和胸部CT扫描。结果病灶体积占整个胸腔30%～80%,4例病灶位于左侧胸腔,2例病灶位于右侧胸腔。其中有3例胸部X线平片误诊为局限性气胸。胸部CT能显示巨大肺大泡的内部结构、肺大泡壁及正常肺组织的受压情况。结论巨大肺大泡易于误诊,胸部CT检查对正确诊断巨大肺大泡具有重要的意义。
Objective To investigate the diagnostic value of X-ray and CT of giant pulmonary alveolus and its differential diagnosis with localized pneumothorax. Methods Retrospective analysis was performed on 6 cases of giant bullae confirmed by operation. The patients underwent X-ray and chest CT scan. Results The volume of lesions accounted for 30% ~ 80% of the entire chest, 4 lesions were located in the left chest, 2 lesions in the right chest. Three cases of chest radiographs were misdiagnosed as limited pneumothorax. Chest CT can show the internal structure of the giant pulmonary bullae, bullae and normal lung tissue compression. Conclusion Large bullae of lung are easy to misdiagnosis, chest CT examination is of great significance for the correct diagnosis of giant bullae.