CT angiogram sign (lungs)
Last revised by Mohammad Taghi Niknejad on 6 Feb 2023
Citation, DOI, disclosures and article data
Citation:
Maller V, Niknejad M, Knipe H, et al. CT angiogram sign (lungs). Reference article, Radiopaedia.org (Accessed on 02 May 2024) https://doi.org/10.53347/rID-4899
Permalink:
rID:
4899
Article created:
31 Oct 2008,
Vinod G Maller
Disclosures:
At the time the article was created Vinod G Maller had no recorded disclosures.
View Vinod G Maller's current disclosures
Last revised:
6 Feb 2023,
Mohammad Taghi Niknejad ◉
Disclosures:
At the time the article was last revised Mohammad Taghi Niknejad had no financial relationships to ineligible companies to disclose.
View Mohammad Taghi Niknejad's current disclosures
Revisions:
6 times, by
5 contributors -
see full revision history and disclosures
Sections:
The CT angiogram sign refers to vessels appearing prominent on contrast-enhanced CT as they traverse an airless low attenuation portion of consolidated lung 1,2. This sign has been associated with 1,2:
metastasis from gastrointestinal carcinoma
infectious and post-obstructive pneumonia
References
- 1. Jannette Collins, Eric J. Stern. Chest Radiology. (2008) ISBN: 9780781763141 - Google Books
- 2. Shah R & Friedman A. CT Angiogram Sign: Incidence and Significance in Lobar Consolidations Evaluated by Contrast-Enhanced CT. AJR Am J Roentgenol. 1998;170(3):719-21. doi:10.2214/ajr.170.3.9490960 - Pubmed
- 3. Huo J, Huang X, Li X, Gong J, Luo T, Li Q. Pneumonic-Type Lung Adenocarcinoma with Different Ranges Exhibiting Different Clinical, Imaging, and Pathological Characteristics. Insights Imaging. 2021;12(1):169. doi:10.1186/s13244-021-01114-2 - Pubmed
- 4. Maldonado R. The CT Angiogram Sign. Radiology. 1999;210(2):323-4. doi:10.1148/radiology.210.2.r99fe14323 - Pubmed