ArticleRadiology case reports2023
A systemic arterial-pulmonary arterial shunt mimicking a pulmonary embolism on CT pulmonary angiogram.
Article in Radiology case reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Who cites it
3 citing papers in PubMed, 4 citations in OpenAlex.
- Bronchial systemic-artery-to-pulmonary-artery-fistula as mimicker of pulmonary embolism: computed tomography findings verified with bronchial artery angiography.BJR case reports · 2025Article
- Delayed systemic arterial-pulmonary arterial shunt simulating pulmonary embolism: An unusual case.Radiology case reports · 2024Article
- Systemic arterial to pulmonary arterial shunt masquerading as acute pulmonary embolism.BMJ case reports · 2023Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We report the case of a middle-aged woman on a background of severe respiratory disease who presented with hemoptysis. Investigations with CT pulmonary angiogram showed evidence of a large pulmonary arterial filling defect which was initially treated as a pulmonary embolism. However, despite being anticoagulated, she experienced ongoing hemoptysis. Further imaging several days later using aortic phase CT confirmed that the filling defect was a false positive; the artifact was due to retrograde filling from a systemic arterial-pulmonary arterial shunt and anticoagulation was stopped. Although PE is the most common cause of filling defects, this case suggests that in the setting of patients with chronic inflammatory parenchymal pulmonary disease, clinicians should consider alternative causes such as systemic arterial-pulmonary arterial shunts.
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