Korean Journal of Radiology

The Korean Society of Radiology (대한영상의학회)
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Pulmonary Arteriovenous Malformation and Its Vascular Mimickers

  • Hyoung Nam Lee (Department of Radiology, Soonchunhyang University College of Medicine, Cheonan Hospital) ;
  • Dongho Hyun (Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine)
  • Received : 2021.05.27
  • Accepted : 2021.10.22
  • Published : 2022.02.01
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Abstract

Pulmonary arteriovenous malformation (AVM) is a congenital vascular disease in which interventional radiologists can play both diagnostic and therapeutic roles in patient management. The diagnosis of pulmonary AVM is simple and can usually be made based on CT images. Endovascular treatment, that is, selective embolization of the pulmonary artery feeding the nidus of the pulmonary AVM, and/or selectively either the nidus or draining vein, has become a first-line treatment with advances in interventional devices. However, some vascular diseases can simulate pulmonary AVMs on CT and pulmonary angiography. This subset can confuse interventional radiologists and referring physicians. Vascular mimickers of pulmonary AVM have not been widely known and described in detail in the literature, although some of these require surgical correction, while others require regular follow-up. This article reviews the clinical and radiologic features of pulmonary AVMs and their mimickers.

Keywords

Acknowledgement

Authors deeply appreciate Prof. Young Tong Kim from Soonchunhyang University Cheonan Hospital and Prof. Ji Hoon Shin from Asan Medical Center for their contribution on valuable cases.

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