Reversed halo sign: from a clinico-radiologic–pathologic point of view

Abstract Reversed halo sign (RHS) is characterized by a central ground-glass opacity surrounded by a crescentic or ring-shaped consolidation. It was originally described as a pathognomonic imaging feature of cryptogenic organizing pneumonia (COP), but has subsequently been observed in a wide variety...

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Bibliographic Details
Main Authors: Yuan Ye, Run Zhang, Kaiyue Diao, Hua Zhou, Xuanli Xu, Liangjie Fang, Apoorva Sinha, Lingfang Tu, Jianya Zhou
Format: Article
Language:English
Published: BMC 2025-06-01
Series:European Journal of Medical Research
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Online Access:https://doi.org/10.1186/s40001-025-02665-6
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