Therapeutic embolization of diffuse pulmonary arteriovenous malformations.

Pulmonary artery fistulas may occur as isolated lesions or as part of the complex of hereditary hemorrhagic telangiectasia. Surgical resection is generally advised because of the potential for severe complications; however, this may be difficult in diffuse telangiectasia or contraindicated in patients with severe obstructive lung disease. This article offers therapeutic embolization as an effective alternative in such patients, and presents a successful experience.