A Radiograph of a Unilateral Frog-Leg (Modified Cleaves Method) Projection

question 56

Multiple Choice

A radiograph of a unilateral frog-leg (modified Cleaves method) projection reveals that the femoral neck is foreshortened and distorted.The radiologist is concerned about pathology involving the neck.What can the technologist do to improve the visibility of the femoral neck without foreshortening during the repeat exposure?

• A)Use a 20° to 25° cephalad CR angle.
• B)Decrease the abduction of the femur to 20° to 30° from vertical.
• C)Oblique the patient 35° to 45° toward the affected side with femur abducted to be in contact with tabletop.
• D)Increase the abduction of the femur to about 60° to 70° from vertical.

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