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Fig. 1 | BMC Medical Imaging

Fig. 1

From: Diagnosis of cervical plexus tumours by high-frequency ultrasonography

Fig. 1

Normal cervical plexus and its anatomical markers. A Anatomic diagram of the CP. B Longitudinal view of the C3–C5 roots (arrows), which appear as tubular hypoechoic structures with echogenic walls and a fibrillar texture. C The C7 vertebra was used as an anatomical marker to identify the CP. Arrows point to cervical nerve C7 (transverse view, arrow) and the PT. D The bifurcation of the common carotid artery served as another anatomical marker for identifying the CP (C4 level); the arrow indicates C4. PT posterior tubercle, AT anterior tubercle, VA vertebral artery, ECA external carotid artery, ICA internal carotid artery

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