気管支動脈瘤に対する塞栓術施行後に再開通をきたした1例

概要

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A woman in her 50s was incidentally found to have three bronchial artery aneurysms (with diameters of 24 mm, 12 mm, and 10 mm) during preoperative CT examination for an ovarian tumor. Coil embolization was performed for all three bronchial artery aneurysms. The aneurysm with a diameter of 24 mm was successfully treated with proximal and distal coil embolization. The aneurysms with diameters 12 mm and 10 mm were treated only with proximal coil embolization because the vessels were so tortuous that distal coil embolization would have been difficult. Contrast study performed for confirmation after the operative procedure revealed no aneurysms. Contrast CT performed 4 months after the operation showed that the aneurysms with diameters of 24 mm and 12 mm had successfully been embolized by thrombus formation, whereas the 10 mm aneurysm showed recanalization, suggesting the development of collateral circulation from the pulmonary artery.