Fig. 4From: Variations in external carotid artery branches and common carotid bifurcation level: a computed tomography angiography studyAnomalous origin of ECA branches: the sagittal maximum intensity projection image reveals that APA and OA had an anomalous origin from ICA. External carotid artery (ECA), ascending pharyngeal artery (APA), occipital artery (OA), and internal carotid artery (ICA)Back to article page