What Is the Degree of Central Ray Angulation That Should

question 48

Multiple Choice

What is the degree of central ray angulation that should be used for an ulnar-deviated PA axial (scaphoid) wrist projection being obtained to demonstrate a proximal scaphoid fracture?

• A) Use a 10-degree angle if the first metacarpal and ulna are aligned.
• B) Use a 25-degree angle if the first metacarpal and ulna are not aligned.
• C) Use a 15-degree angle if the first metacarpal and ulna are aligned.
• D) Use a 20-degree angle if the first metacarpal and ulna are not aligned.

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