Transcatheter embolization of a Rasmussen aneurysm via pulmonary artery with n-butyl cyanoacrylate and iodized oil mixture injection with balloon occlusion
We describe a new approach to effective embolization of Rasmussen aneurysm by simultaneous devascularization of the pseudoaneurysm and systemic artery-to-pulmonary artery anastomoses. In our patient, a radiologic workup for hemoptysis revealed a Rasmussen aneurysm. A bronchial arteriogram revealed a pseudoaneurysm via bronchopulmonary artery shunting. A left pulmonary arteriogram did not demonstrate the pseudoaneurysm. A superior lingular pulmonary arteriogram with balloon occlusion showed the pulmonary artery branch, pseudoaneurysm, and bronchial artery via bronchopulmonary artery shunting with retrograde flow. An n-butyl cyanoacrylate injection with balloon occlusion achieved complete embolization. This approach may be an effective technique for the treatment of peripheral pulmonary artery pseudoaneurysm
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