The Value of 320-Row Multidetector CT Bronchial Arteriography in Recurrent Hemoptysis after Failed Transcatheter Arterial Embolization

Multiple unrecognized abnormal ectopic bronchial arteries and NBSAs are the major causes of failure of initial BAE. Multidetector CT BA can precisely identify a large number of feeding vessels that are missed on conventional BA, allowing for repeat embolization with a high success rate.