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PEM Ortho X-ray Curriculum

Normal Anatomy

x-ray showing a normal AP view of C1 and C2
FIGURE 1: Normal AP view of C1 and C2


  • C1: first cervical vertebra (lateral mass)
  • C2: second cervical vertebra
  • T: Central incisora overlying dens (D)
  • A: normal relationship between lateral mass of C1and vertebral body of C2