This type of CR angle is required for an AP axial projection fo the coccyx.
What is 10* caudal?
100
The L1-L2 zygapophyseal joints require ________ degrees of obliquity?
What is 50*?
100
The superior aspect of the coccyx.
What is the base?
100
True or False
If a patient has scoliosis, place the convexity of the spine down toward the IR for a lateral spine projection.
What is TRUE?
100
Demonstrated on an RPO Cervical Spine.
What is the Left Zygapophyseal Joints?
200
This CR angle should be used for the lateral sacrum/coccyx projection.
What is Perpendicular?
200
In reference to the midsagittal plane, this is how the zygapophyseal joints open on the lumbar vertebrae.
What is 30-50* posteriorly?
200
This is another term for the sacral horns.
What is cornu of the sacrum?
200
This corresponds with the second sacral segment.
What is the ASIS?
200
Demonstrated on an RPO Lumbar Spine.
What is Right Zygapophyseal Joints?
300
The type of CR angulation that should be utilized for an AP axial projection of the L5-S1 joint space on the a male patient.
What is 30* Cephalic?
300
The intervertebral foramina of the lumbar spine are located at an angle of __________ in relation to the midsagittal plane.
What is 90*?
300
This is the anterior process of the sacrum that forms part of the inlet of the true pelvis.
What is promontory of the sacrum?
300
CR is centered here for a AP projection of the lumbar spine.
What is the Iliac Crest?
300
Demonstrated on an RAO cervical spine.
What is the Right Zygapophyseal Joints?
400
An image of the AP axial coccyx reveals that the symphysis pubis is superimposed over the distal end of the coccyx. This can be done to correct this problem.
What is increase CR angulation?
400
The degree of body rotation that is necessary for the AP oblique projection of the lumbar vertebral column.
What is 45*?
400
This is the small section of bone found between the superior and inferior articular processes fo the lumbar spine.
What is pars interarticularis?
400
A patient comes to radiology for an L-spine series. The intital images demonstrate a possible problem at the L5-S1 zygapophyseal joint. This iposition would best demonstrate this joint.
What is 30* oblique?
400
Demonstrated on a RAO Lumbar Spine.
What is Left Zygapophyseal Joints?
500
This is where the CR is centered for an AP axial projection of the sacrum.
What is midway between the symphysis pubis and ASIS?
500
This degree and in this direction of the CR should be used for a lateral projection of the lumbar vertebral column when the vertebral column is parallel with the table.
What is perpendicular?
500
The most posterior portion of the sacrum.
What is median sacral crest?
500
A patient comes to radiology for a follow-up from a lumbar fusion at levels L3-4. These views would best demonstrate the degree of movement at the fusion site.
What are lateral hyperextension and flexion projections?