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Παρασκευή 8 Σεπτεμβρίου 2017

Pulmonary venous anomalies causing misdiagnosis of pulmonary arteriovenous malformations

Publication date: Available online 8 September 2017
Source:Clinical Imaging
Author(s): Cheng Ting Lin, Stefan Loy Zimmerman, Sally Elizabeth Mitchell, Elliot K. Fishman
PurposeTo investigate pulmonary venous anomaly as a cause of pulmonary arteriovenous malformation (PAVM) misdiagnosis.Materials and methodsWe reviewed adult patients within a 7.5-year period with CT scans initially diagnosed with PAVM and subsequent conventional pulmonary angiograms.ResultsPulmonary arteriography showed no PAVM on arterial phase for 10 out of 99 patients, comprising the misdiagnosed group. Four misdiagnosed patients had pulmonary venous anomalies and six had nodular lesions on CT.ConclusionPulmonary venous anomalies are vascular mimics of PAVMs that may lead to misdiagnosis. Optimal CT technique and careful imaging review are necessary to minimize inappropriate invasive angiography.



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