Exam 7: Image Analysis of the Hip and Pelvis

An AP hip projection (modified Cleaves method) obtained with the knee and hip flexed more than 60 to 70 degrees with the imaging table demonstrates 1)an obscured lesser trochanter. 2)the greater trochanter laterally. 3)the greater trochanter superimposed over the femoral head. 4)the greater trochanter medially.

For an AP hip projection (modified Cleaves method), the 1)lesser trochanter is demonstrated in profile. 2)greater trochanter appears at a level halfway between the lesser trochanter and femoral head. 3)ischial spine is demonstrated with pelvic brim superimposition. 4)greater trochanter is demonstrated medially.

For an AP projection of the hip with accurate positioning, 1)the ASISs are positioned at equal distances from the IR. 2)the patient's legs are externally rotated until the epicondyles are at a 45-degree angle with the imaging table. 3)gonadal shielding should not be used. 4)the central ray is centered 1.5 inches (4 cm) distal to the midpoint between the ASIS and symphysis pubis to center the hip joint in the field.

For an AP oblique sacroiliac joint projection (LPO position), the 1)patient's midsagittal plane is placed at a 25- to 30-degree angle with the imaging table. 2)sacroiliac joint of interest is positioned farther from the IR. 3)right marker should be used. 4)central ray is centered 1 inch (2.5 cm) medial to the elevated ASIS.

For an AP left hip projection (modified Cleaves method), the patient was positioned with the left ASIS placed closer to the imaging table than the right ASIS. On such a projection, the left hip demonstrates 1)a narrowed obturator foramen. 2)a widened iliac wing. 3)the iliac spine without pelvic brim superimposition. 4)the sacrum and coccyx without symphysis pubis alignment.

An optimal axiolateral (inferosuperior) hip projection demonstrates all of the following except the

An optimal AP pelvis projection demonstrates 1)the sacrum and coccyx aligned with the symphysis pubis. 2)the ischial spines aligned with the pelvic brim. 3)a narrow right iliac wing and a wider left iliac wing. 4)a symmetrically appearing obturator foramen.

An AP hip projection (modified Cleaves method) obtained with the leg abducted almost to the imaging table demonstrates the greater trochanter 1)at a transverse level halfway between the lesser trochanter and femoral head. 2)laterally. 3)superimposed by the femoral neck. 4)medially.

When obtaining an axiolateral (inferosuperior) projection of the hip on patients with ample lateral soft-tissue thickness, the

An AP axial sacral iliac joint projection with accurate positioning demonstrates the 1)median sacral crest and symphysis pubis in alignment. 2)sacroiliac joints without foreshortening. 3)symphysis pubis superimposed over the inferior sacral segments. 4)second sacral segment at the center of the image.

An AP projection of the sacroiliac joints taken with insufficient central ray angulation will

An AP oblique sacroiliac joint projection (RPO position) with poor positioning demonstrates a closed sacroiliac joint, the superior and inferior sacral alae without superimposition, and the lateral sacral ala superimposed over the iliac tuberosity. How was the positioning setup mispositioned for such a projection to be obtained?

An optimal AP pelvis projection (modified Cleaves method) should demonstrate all of the following except the

The central ray angulation used for AP axial sacroiliac joint projections

An AP hip projection with accurate positioning demonstrates the 1)lesser trochanter in profile. 2)greater trochanter in profile. 3)femoral neck without foreshortening. 4)sacrum rotated toward the affected hip.

A less than optimal axiolateral (inferosuperior) hip projection demonstrating the greater trochanter at a transverse level proximal to the lesser trochanter

How is the patient positioned for an AP projection (modified Cleaves method) of the pelvis to demonstrate the femoral neck without foreshortening?

Which of the following statements is not true about an AP pelvis projection obtained with the patient rotated toward the right hip?

Which of the following is not true about AP hip projection (modified Cleaves method)?

A less than optimal AP oblique sacroiliac joint projection demonstrating the ilium superimposing the inferior sacral ala and lateral sacrum will