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Ground-glass opacity of early lung cancer Masahiro Yanagawa 1 1Department of Diagnostic and Interventional Radiology Osaka University, Graduate School of Medicine Keyword: 肺癌 , すりガラス陰影 , 自然史 , 超高精細CT pp.233-239
Published Date 2021/3/10
DOI https://doi.org/10.18888/rp.0000001538
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A large number of lung nodules are detected on CT in clinical practice and screening. Pulmonary nodules are classified into three types:ground-glass nodule(GGN), part-solid GGN, and solid nodule. Most of the GGNs are atypical adenomatous hyperplasia or adenocarcinoma in situ, which have good prognosis with almost no change over time. However, in GGNs, there are some cases in which an invasive component is included and other cases in which a solid component appears within a GGN while showing an increasing tendency. Therefore, careful follow-up is required for a long time. Moreover, in persistent part-solid GGNs, the total and the solid component diameters are important for management. This article focuses on natural history and CT findings in subsolid pulmonary nodules while citing recent literatures. We are hoping that highly accurate diagnostic imaging and management will be devised in the future by making full use of new methods such as quantitative methods including artificial intelligence analyses of GGN using data of high spatial resolution CT.


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電子版ISSN 印刷版ISSN 0009-9252 金原出版

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