“CT Angiogram Sign” in Obstructive Pneumonitis and Pneumonia
- 1 July 1993
- journal article
- Published by Wolters Kluwer Health in Journal of Computer Assisted Tomography
- Vol. 17 (4) , 609-612
- https://doi.org/10.1097/00004728-199307000-00017
Abstract
The "CT angiogram sign" in dynamic pulmonary CT consists of enhanced branching pulmonary vessels in a homogeneous hypoattenuating consolidation of lung parenchyma and is reportedly useful for diagnosing lobar bronchioloalveolar cell carcinomas. To identify cases exhibiting the CT angiogram sign, we retrospectively reviewed the reports of 5,500 dynamic incremental CT examinations of the chest. We identified the CT angiogram sign in five patients with obstructive pneumonitis due to lung tumors and four patients with pneumonias. The CT angiogram sign can be observed in pulmonary consolidation of varying etiologies.Keywords
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