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Fig. 3. —25-year-old healthy man. Axial 5-12—MHz sonogram reveals relationship of C6 vertebra with soft-tissue structures of lateral neck including thyroid (T), sternocleidomastoid muscle (S), common carotid artery (CCA) and internal jugular vein (IJV). C6 vertebra shows hyperechoic contour, which delineates vertebral body (B), pedicles (P), and anterior (asterisk) and posterior (star) tubercles. C6 root (arrow) appears as hypoechoic image contained between tubercles.