Nam Ji Eun, Ryu Young Hoon, Cho Sang Ho, Lee Young-Jun, Kim Hyung Jung, Lee Doo Yun, Choe Kyu Ok, Kim Sang Jin
Department of Diagnostic Radiology and Research Institute of Radiological Science, Yonsei University College of Medicine, Seoul, Korea.
J Comput Assist Tomogr. 2002 May-Jun;26(3):358-61. doi: 10.1097/00004728-200205000-00007.
We present two cases of sclerosing hemangioma of the lung with a peculiar radiologic finding: an air-trapping zone surrounding the tumor. On microscopic examinations, the tumor was of the hemangiomatous subtype, and the radiolucent zone corresponded to enlarged alveoli with septal destruction. A possible mechanism in the production of an air-trapping zone around a sclerosing hemangioma is bleeding from the highly vascular tumor followed by expectoration in communication with an airway. We reviewed the literature on the air meniscus sign in sclerosing hemangioma and concluded that although it is not a common finding, it could be of help in the confident diagnosis of sclerosing hemangioma and in differentiating it from other benign tumors of the lung.
我们报告两例肺硬化性血管瘤，伴有一种特殊的放射学表现：肿瘤周围存在空气潴留区。显微镜检查显示，肿瘤为血管瘤亚型，而透亮区对应于伴有间隔破坏的扩大肺泡。硬化性血管瘤周围产生空气潴留区的一种可能机制是高血管性肿瘤出血，随后与气道相通并咳出。我们回顾了关于硬化性血管瘤气半月征的文献，并得出结论，尽管这不是常见表现，但它有助于明确诊断硬化性血管瘤，并将其与其他肺良性肿瘤相鉴别。
