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. 2022 Nov 27;12(12):2966. doi: 10.3390/diagnostics12122966

Figure 2.

Figure 2

Imaging examples of osteoarthritis of the atlanto-axial joint. Imaging examples of five different patients according to the Kellgren and Lawrence [18] grading of osteoarthrosis (OA). Upper row (A) with axial orientation of 135 kVp images, and lower row (B) with sagittal orientation of 135 kVp images, respectively. From left to right (both rows) an increase in OA grading with no OA (0), beginning OA (1), minimal OA (2), moderate OA (3), and severe OA (4) of the atlanto-axial joint is shown (yellow arrowheads).