Giant Sporadic Pulmonary Arteriovenous Malformation

Pulmonary arteriovenous malformation is a rare clinical entity that can lead to emergency clinical situations such as bleeding, pneumothoraks and the long-term chronic hypoxic problems due to right-to-left shunt. Although pulmonary arteriovenous malformation is usually combined with hereditary hemorrhagic telangiectasia, it rarely seen as sporadic. Twenty years-old female patient had consolidated areas in the right lung on chest X-ray. The multiple, inter-related vascular masses with early arterial intense contrast enhancement which the largest of them approximately 25x20 mm in size were observed in computed tomography. There were not a similar disease in family and epistaxis complaint, in patient’s medical history. A case of giant pulmonary arteriovenous malformation is presented with radiological findings and the literature data.