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Anteroposterior projection of a left common carotid artery injection demonstrates a large hypervascular tumor at the carotid bifurcation consistent with a paraganglioma. Characteristics including splaying of the internal and external carotid arteries (A) and intense tumor blush (B) are shown. Arterial supply includes branches of the ascending pharyngeal artery (arrow) arising from a common pharyngo-occipital trunk (not shown) that originates from the internal carotid artery.
