病理学表现:主要以累及远侧肺泡及其肺泡管和肺泡囊为其特征,并特征性地以任何胸膜面和小3Rt影像园XCTMR.com 叶间隔为界。3Rt影像园XCTMR.com CT 表现:该型肺气肿的特征为由完整的小叶间隔分开的胸膜下、支气管血管旁低衰减区,有时伴3Rt影像园XCTMR.com 有肺大泡。与远侧腺泡型气肿是同义词。也见于肺气肿。3Rt影像园XCTMR.com Pathology.—Paraseptal emphysema is characterized by predominant involvement of the distal alveoli and their ducts and sacs. It is characteristically bounded by any pleural surface and the interlobular septa. 3Rt影像园XCTMR.com CT scans.—This emphysema is characterized by subpleural and peribronchovascular regions of low attenuation separated by intact interlobular septa (Fig 1), sometimes associated with bullae. The term distal acinar emphysema is synonymous. (See also emphysema.) 3Rt影像园XCTMR.com Figure 1: Transverse CT scan shows paraseptal emphysema.(本文编译参考自Fleischner Society: Glossary of Terms for Thoracic Imaging -- Hansell et al. Radiology 2008;246:697-722.仅供学习交流之用,转载请注明源于影像园http://www.xctmr.com/)3Rt影像园XCTMR.com
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