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Fig. 1 | Egyptian Journal of Radiology and Nuclear Medicine

Fig. 1

From: Abnormal origin of the vertebral arteries with Bicarotid trunk: a case report

Fig. 1

a Computed tomography angiography image shows the aberrant right subclavian artery originating as the last branch of the aortic arch and showing retroesophageal course (arrow). b Bicarotid trunk (arrow), ARSA (blank arrow), RCCA originated RVA (arrowhead) and aortic arch origin LVA (blank arrowhead) are seen in 3D reconstruction images. LSCA exits from the proximal of the ARSA (curved arrow). c Maximum intensity projection of computed tomography angiography image shows that both vertebral arteries enter the transverse foramen at the C6 vertebral level (arrows). C7 vertebra is shown with blank arrows

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