Lumbar, Sacrum, Coccyx
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| A portion of the lamina located between the superior and inferior articular processes is called the | show 🗑
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| The superior and inferior vertebral notches join together to form the: A. Vertebral foramen B. Intervertebral foramen C. Pedicle D. Lamina | show 🗑
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| show | Laterals
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| What is best demonstrated in an L-spine oblique projection? | show 🗑
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| What is best demonstrated in an L-spine lateral projection? | show 🗑
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| show | Lower is less - 30'
Upper is greater - 50'
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| the small foramina in the sacrum are called _____. | show 🗑
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| the anterior and superior aspect of the sacrum that forms the posterior wall of the pelvic inlet is called the _____. | show 🗑
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| What is another term for sacral horns? | show 🗑
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| show | 30'
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| show | Coccyx
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| show | Base
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| What type of mobility and movement does the Z-joint have? | show 🗑
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| show | cartilaginous, amphiarthrodial, none - moves only slightly
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| show | EAR - superior articulating process;
NOSE - transverse process;
EYE - pedicle;
NECK - Pars Interarticularis;
FRONT LEG - inferior articulating process;
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| show | left zygapophyseal joint
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| List the specific joints or foramina that are demonstrated in the RPO. | show 🗑
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| show | left zygapophyseal joint
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| show | right zygapophyseal joint
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| show | intervertebral foramina
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| The degree of obliquity required for an oblique projection at T12/L1 level is generally _____. | show 🗑
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| show | 30'
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| show | 45'
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| Topographic landmarks of Lumbar spine region - ASIS | show 🗑
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| Topographic landmarks of Lumbar spine region - Xiphoid process | show 🗑
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| show | L2/L3
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| Topographic landmarks of Lumbar spine region - iliac crest | show 🗑
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| show | prominence of greater trochanter
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| True/False The use of higher kV and lower mAs for lumbar spine radiography improves radiographic contrast but increases patient dose. | show 🗑
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| show | TRUE
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| True/False The AP projection of the L-spine opens the intervertebral joint spaces better than the PA projection. | show 🗑
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| show | FALSE
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| show | TRUE
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| True/False When positioning the obese patient, the iliac crest is typically at the level of the inferior margin of the flexed elbow. | show 🗑
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| show | Bone Densitometry
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| Which modality best demonstrates the pathology of SOFT TISSUES OF LUMBAR SPINE? | show 🗑
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| show | Myelography
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| Which modality best demonstrates the pathology of INFLAMMATORY CONDITIONS SUCH AS PAGET'S DISEASE? | show 🗑
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| Which modality best demonstrates the pathology of COMPRESSION FRACTURE OF LUMBAR SPINE? | show 🗑
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| show | Abnormal lateral curvature of the vertebral column
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| Explain CHANCE FRACTURE | show 🗑
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| show | Congenital defect in which posterior elements of vertebrae fail to unite.
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| Explain HNP | show 🗑
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| Explain SPONDYLOLISTHESIS | show 🗑
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| show | Inflammatory condition most common in males in their 30s
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| Explain SPONDYLOLYSIS | show 🗑
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| show | A type of fracture that rarely causes neurologic deficits
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| With a 14x17 IR, the CR is centered _____ for AP and lateral lumbar spine projections. | show 🗑
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| show | A. spinous processes equally midline of spine
B. SI joints are equidistant from spine
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| show | 30'
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| Which specific set of Z joints is demonstrated with LAO position? | show 🗑
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| The _____, which is the eye of the Scottie dog, should be near the center of the vertebral body on a correctly oblique lumbar spine projection. | show 🗑
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| show | OVER ROTATION
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| show | LATERAL
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| show | 5-8' and CAUDAD
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| show | CONVEX SIDE TOWARDS IR
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| Why should the knees and hips be flexed for AP lumbar spine projection? | show 🗑
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| TRUE/FALSE The female ovarian dose for a PA lumbar spine is approx 25-35% less than for AP. | show 🗑
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| Where is the central ray centered for a lateral L5-S1 projection? | show 🗑
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| show | 30' cephalad
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| True/False A PA or AP projection for scoliosis series frequently includes one erect and one recumbent position for comparison. | show 🗑
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| True/False The lower margin of the cassette must include the symphysis pubis for a scoliosis series. | show 🗑
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| show | TRUE
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| Which of the following techniques or devices produces a more uniform density along the vertebral column for an AP/PA scoliosis projection? A. Use of 14x36 image receptor B. Lower kV C. Higher mAs D. Compensating filter | show 🗑
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| show | The convex side of the spine
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| show | 3-4"
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| show | Pelvis
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| show | Hyperextension and Hyperflexion laterals
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| show | D. 95-100 kVp
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| show | 15' cephalad
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| show | 2" superior to the symphysis pubis
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| show | PA projection with 15' caudal angle; PRONE position
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| show | 2" superior to symphysis pubis
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| show | 10' caudad
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| show | FALSE
different CR angles required.
Can combine lateral for sacrum/coccyx
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| Patients should be asked to void bladder prior to which projection of the vertebral column? | show 🗑
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| In addition to good collimation, what should be done to minimize overall "fogging" on lateral lumbar spine/sacrum/coccyx radiograph? | show 🗑
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| Which SI joint is visualized with RPO position? | show 🗑
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| How much rotation of the body is required for oblique positions of the SI joints? | show 🗑
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| show | D. 35' cephalad
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| Where is the CR centered for a oblique position of the SI joints? | show 🗑
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Created by:
Larobbins
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