Pulmonary arteriovenous malformation

Case contributed by Vikas Shah


Cough and hemoptysis.

Patient Data

Age: 20 years
Gender: Male

Chest x-ray


A solitary rounded opacity is present in the right lower zone. There is no pleural effusion and the cardio-mediastinal contours are normal. A CT was arranged.

CT thorax


There is a lobular structure with identical density to it's feeding vessel which is a pulmonary arterial branch. The draining vessel is a pulmonary vein tributary. No other lesions are seen. There is an incidental heterogenous indeterminate 10 cm right adrenal mass.

Case Discussion

Don't forget pulmonary AVMs in your differential for solitary pulmonary nodules!

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