Woodring J H, Reed J C
Department of Diagnostic Radiology, University of Kentucky Medical Center, Lexington 40536-0084, USA.
J Thorac Imaging. 1996 Spring;11(2):109-44. doi: 10.1097/00005382-199621000-00003.
In this article we review the plain radiographic and computed tomographic manifestations of lobar atelectasis. The progression of lobar atelectasis from mild to marked volume loss is emphasized. Common combinations of lobar and whole lung atelectasis are also discussed. Radiographic features that help distinguish lobar atelectasis from pleural thickening, pleural effusion, and mediastinal masses are outlined. Where appropriate, selected examples of segmental atelectasis are also presented. The recognition of lobar atelectasis is important, particularly in cases stemming from obstructing endobronchial tumors. Since all signs of volume loss are not present in any given case, knowing as many signs of lobar atelectasis as possible is useful. Careful analysis of the chest radiograph and subtle alterations in the fissures and hilar vascularity aids in differentiating lobar atelectasis from other intrathoracic processes.
在本文中，我们回顾了大叶性肺不张的X线平片和计算机断层扫描表现。着重介绍了大叶性肺不张从轻度到明显肺容积缩小的进展情况。还讨论了大叶性肺不张与全肺不张的常见组合。概述了有助于将大叶性肺不张与胸膜增厚、胸腔积液和纵隔肿块相鉴别的影像学特征。在适当的情况下，还展示了节段性肺不张的精选实例。认识大叶性肺不张很重要，特别是在由阻塞性支气管内肿瘤引起的病例中。由于在任何给定病例中并非都会出现所有肺容积缩小的征象，因此尽可能多地了解大叶性肺不张的征象是有用的。仔细分析胸部X线片以及肺裂和肺门血管的细微改变有助于将大叶性肺不张与其他胸腔内病变区分开来。
