Cryptogenic organizing pneumonia CT
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Cryptogenic Organizing Pneumonia Microchapters |
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Differentiating Cryptogenic organizing pneumonia from other Diseases |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Manpreet Kaur, MD [2]
Overview
CT scan is used to diagnose cryptogenic organizing pneumonia. Various findings seen on CT scan are subpleural and peribronchovascular consolidation, ground-glass attenuation and nodules, irregular linear opacities, bronchial wall thickening and dilatation and reverse halo sign (atoll sign).
CT Findings
Findings seen on CT scan are:[1][2]
- Subpleural and/or peribronchovascular consolidation
- Ground-glass attenuation and nodules
- Irregular linear opacities
- Bronchial wall thickening and dilatation
- The reverse halo sign (atoll sign)[3]
References
- ↑ Müller NL, Staples CA, Miller RR (1990). "Bronchiolitis obliterans organizing pneumonia: CT features in 14 patients". AJR Am J Roentgenol. 154 (5): 983–7. doi:10.2214/ajr.154.5.2108572. PMID 2108572.
- ↑ Lee KS, Kullnig P, Hartman TE, Müller NL (1994). "Cryptogenic organizing pneumonia: CT findings in 43 patients". AJR Am J Roentgenol. 162 (3): 543–6. doi:10.2214/ajr.162.3.8109493. PMID 8109493.
- ↑ Kim SJ, Lee KS, Ryu YH, Yoon YC, Choe KO, Kim TS, Sung KJ (May 2003). "Reversed halo sign on high-resolution CT of cryptogenic organizing pneumonia: diagnostic implications". AJR Am J Roentgenol. 180 (5): 1251–4. doi:10.2214/ajr.180.5.1801251. PMID 12704033.
- ↑ Image courtesy of Dr Martin Carnevale, Radiopaedia.org. From the case rID:15025
- ↑ Case courtesy of Dr Mohammad A. ElBeialy, Radiopaedia.org. From the case rID:28372