CT angiogram sign (lungs)

Last revised by Dr Daniel J Bell on 29 Oct 2017

The CT angiogram sign refers to vessels appearing prominent during a contrast enhanced CT as they traverse an airless low attenuation portion of consolidated lung. Although initially thought to be specific for bronchoalveolar carcinoma, it has now been recognized as a generic appearance provided the density of consolidation is relatively low. This sign has been associated with:

ADVERTISEMENT: Supporters see fewer/no ads

Cases and figures

  • Case 1 - with pulmonary lymphoma
    Drag here to reorder.