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Digital subtraction angiography of the right ECA. (a) Anterior posterior projection, early imaging, white arrow shows the right STA; black arrow shows the tortuous branches of the right STA. ((b) and (c)) Anterior posterior projection, tortuous branches of the right STA supply the fistula; the hollow arrow indicates the point of the fistula. ECA: external carotid artery; STA: superficial temporal artery.
