An AP Axial Cranium Projection (Towne Method) Demonstrating the Dorsum

question 42

Multiple Choice

An AP axial cranium projection (Towne method) demonstrating the dorsum sellae superimposing the atlas's posterior arch

• A) was obtained with the patient's face rotated toward the right side.
• B) will require the central ray angle to be adjusted caudally until it forms a 30-degree angle with the OML.
• C) will require the patient's chin to be elevated to obtain an optimal projection.
• D) will also demonstrate elongation of the dorsum sellae.

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