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  • Title: Pulmonary artery pseudoaneurysm related to radiofrequency ablation of lung tumor.
    Author: Sakurai J, Mimura H, Gobara H, Hiraki T, Kanazawa S.
    Journal: Cardiovasc Intervent Radiol; 2010 Apr; 33(2):413-6. PubMed ID: 19449071.
    Abstract:
    We describe a case of pulmonary artery (PA) pseudoaneurysm related to radiofrequency ablation (RFA) of lung tumor. We performed RFA for a pulmonary epithelioid hemangioendothelioma directly adjacent to a branch of the PA. Seventeen days later, the patient complained of hemoptysis. A chest CT image revealed PA pseudoaneurysm. Transcatheter coil embolization was performed 59 days after RFA. Although PA pseudoaneurysm is rare, with an incidence of 0.2% (1/538 sessions) at our institution, it should be recognized as a risk when treating lung tumors adjacent to a branch of the PA.
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