Presentation
Incidental finding on chest X-ray for medical check-up.
Patient Data
Age: 40 years
Gender: Male
From the case:
Pulmonary arteriovenous malformation
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/116908/annotated_viewer_json?lang=us"}
Right upper lung zone well defined solitary soft tissue pulmonary nodule measuring about 4x3 cm.
From the case:
Pulmonary arteriovenous malformation
{"current_user":null,"step_through_annotations":true,"access":{"can_edit":false,"can_download":true,"can_toggle_annotations":true,"can_feature":false,"can_examine_pipeline_reports":false,"can_pin":false},"extraPropsURL":"/studies/116909/annotated_viewer_json?lang=us"}
Well defined non-calcified nodule at the right upper lung lobe with a feeding arterial and draining venous branches of variable diameters.
Case Discussion
Pulmonary AVM is a common cause of solitary pulmonary nodule (coin lesion).
Contrast-enhanced computed tomography is a valuable tool in the diagnosis and defining the vascular anatomy of PAVM, However, angiography was better able to determine the angioarchitecture of individual PAVMs.