Abstract
Reversed halo sign, which was named originally from the disease cryptogenic organizing pneumonia, refers to a focal, rounded area of ground-glass opacity surrounded by a more or less complete ring of consolidation [1, 2] (Fig. 8.1).
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Lee, K.S., Han, J., Chung, M.P., Jeong, Y.J. (2014). Reversed Halo Sign. In: Radiology Illustrated: Chest Radiology. Radiology Illustrated. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-37096-0_8
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