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Computerized tomography scan showing (a) mid-sagittal section, (b) coronal section (c) axial section. Showing specific points: A: Anterior arch of atlas, B: Basion, D: Dens, S: Synchondrosis, O: Opisthion, L: Lateral Mass of Atlas, AX: Vertebral body of atlas, OC: Occipital condyle
