Delayed systemic arterial-pulmonary arterial shunt simulating pulmonary embolism: An unusual case

This case report describes the imaging findings of an older-aged male presenting with infectious respiratory symptoms. Evaluation with routine contrast-enhanced CT of the chest demonstrated pulmonary artery filling defects initially treated as a pulmonary embolism. However, short-term repeat imaging...

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Published inRadiology case reports Vol. 19; no. 11; pp. 5271 - 5275
Main Authors Puleo, Nicholas, Joseph, Nathan, Kimyai-Asadi, Mithra
Format Journal Article
LanguageEnglish
Published Netherlands Elsevier Inc 01.11.2024
Elsevier
Subjects
Bronchiectasis
Pulmonary embolism
Systemic arterial-pulmonary arterial shunt
Pulmonary embolism
Systemic arterial-pulmonary arterial shunt
Bronchiectasis
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Summary:This case report describes the imaging findings of an older-aged male presenting with infectious respiratory symptoms. Evaluation with routine contrast-enhanced CT of the chest demonstrated pulmonary artery filling defects initially treated as a pulmonary embolism. However, short-term repeat imaging during pulmonary angiographic and delayed phases demonstrated retrograde filling through a systemic arterial-pulmonary arterial shunt. Given the high prevalence of pulmonary embolism which is also the leading cause of pulmonary angiographic filling defects, this case highlights the importance for clinicians to maintain a differential diagnosis and consider alternative etiologies.
Bibliography:ObjectType-Case Study-2
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ISSN:1930-0433
1930-0433
DOI:10.1016/j.radcr.2024.07.177