Is the anterior cortex of the odontoid peg (the Peg) closely apposed to the “coffee bean”? Is the line of the anterior cortex of the Peg continuous with the anterior cortex of the body of C2? Any...

Is the anterior cortex of the odontoid peg (the Peg) closely apposed to the “coffee

bean”?

Is the line of the anterior cortex of the Peg continuous with the anterior cortex of

the body of C2? Any displacement implies a Peg fracture or fracture of C2 body.