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CT angiogram sign (lungs)

Last revised by Mohammad Taghi Niknejad on 28 Jun 2024

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 06 Oct 2024) https://doi.org/10.53347/rID-4899

DOI:

https://doi.org/10.53347/rID-4899

Permalink:

https://radiopaedia.org/articles/4899

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:

28 Jun 2024, 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:

7 times, by 5 contributors - see full revision history and disclosures

Systems:

Chest, Oncology

Sections:

Signs

Tags:

cases, stub, oncology, case2

The CT angiogram sign refers to normally enhancing pulmonary vessels appearing prominent on contrast-enhanced CT as they traverse an airless low attenuation portion of the consolidated lung relative to the chest wall musculature ^1,2.

This sign has been associated with both benign and malignant entities ^1,2:

lung adenocarcinoma ³
pulmonary lymphoma
metastasis from gastrointestinal carcinoma
infectious and post-obstructive pneumonia
pulmonary edema ⁴

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