Figure 25

Figure 25

The C1-C2 transarticular screws

The-C1-C2-transarticular-screws-cross-the-joint-between-the-C1-and-C2-lateral-masses----In-comparison-to-the-pedicle-screws-in-C2--the-transarticular-screws-have-less-medial-angulation-in-the-transverse-plane-and-greater-vertical-inclination-in-the-sagittal-plane--

The C1-C2 transarticular screws cross the joint between the C1 and C2 lateral masses. In comparison to the pedicle screws in C2, the transarticular screws have less medial angulation in the transverse plane and greater vertical inclination in the sagittal plane.

Level:

Structures:

 

 

Other Structures:

Pathology:

Procedure:

View:

C1 – C2

Neural: Brainstem and spinal cord

Dura

Vascular: Carotid artery and vertebral arteries

None

Normal

Position of C1-C2 transarticular screws

Composite (3/4), Front, Lateral, Caudal