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Citation:
Skalina T, Weerakkody Y, Arcade-like sign. Reference article, Radiopaedia.org (Accessed on 18 Apr 2024) https://doi.org/10.53347/rID-74176
The arcade-like sign refers to the typical features of perilobular fibrosis found in cryptogenic organizing pneumonia 1. It is likely the result of perilobular inflammation and shows itself in the form of an arcade or arched appearance of consolidation bands distributed around the structures surrounding the secondary pulmonary lobules 1. It is present in more than half the patients with cryptogenic organizing pneumonia 2.
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1. Chiarenza A, Esposto Ultimo L, Falsaperla D, Travali M, Foti PV, Torrisi SE, Schisano M, Mauro LA, Sambataro G, Basile A, Vancheri C, Palmucci S. Chest imaging using signs, symbols, and naturalistic images: a practical guide for radiologists and non-radiologists. (2019) Insights into imaging. 10 (1): 114. doi:10.1186/s13244-019-0789-4 - Pubmed
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2. Ujita M, Renzoni EA, Veeraraghavan S, Wells AU, Hansell DM. Organizing pneumonia: perilobular pattern at thin-section CT. (2004) Radiology. 232 (3): 757-61. doi:10.1148/radiol.2323031059 - Pubmed
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