Pathology
Compression fractures change the shape of the vertebral body from block to _____?
Wedge
What is the primary curve for the thoracic spine posteriorly ?
Convex
The lateral position of the thoracic spine best shows the _______?
Intervertebral Foramen
What angle should the patients arms be in when positioned for a supine lateral thoracic spine?
Patients arms are in right angles (90 degrees).
A lead mat placed behind the patient on the table for a thoracic spine image is used to ?
Reduce scatter
This pathology is characterized by the degeneration of one or many joints (in the spine).
Osteoarthritis
How many pairs of ribs are found on the thoracic spine ?
12 pairs of ribs
On what part of the patient will the cathode side of the beam be over ?
The cathode side of the beam will be over the thoracolumbar region of the spine (the thicker side).
To open up and demonstrate the thoracic zygopophyseal joints a _________ is required
70 to 75 degree oblique position
How would the patient be positioned to reduce thoracic curvature ?
Flex knees and hips.
What is the origin of the relatively common Scheurerman disease ?
Origin is Unknown
What is the classification of joints found in the T-Spine ?
Synovial
The posterior oblique position on the right shows the zygopophyseal joint on the ______ ?
Upside.
Where is the central ray directed when doing a lateral thoracic spine ?
The central ray is directed to T7 (7 to 8 inches below the vertebra prominens).
What is the mobility type for the vertebral joints of T1 to T12 ?
Diarthrodial
What modality is especially useful for demonstrating soft tissue (noncalcified) structures associated with the T-Spine ?
MRI
How many thoracic vertebrae should be included in the lateral cervical spine image ?
One (T1)
How much should the patient be rotated for an erect anterior oblique position ?
Patient should rotate total body, shoulders and pelvis 20 degrees anteriorly from lateral.
Where is the central ray directed when doing an RAO thoracic spine ?
Direct central ray to T7 (3 to 4 inches below jugular notch, center to image receptor).
DAILY DOUBLE
In the oblique position the amount of kyphosis affects the visualization of what joints ?
The zygagpophyseal joints
Post menopausal women are more susceptible to what type of condition ?
Kyphosis
The body of the thoracic vertebrae are more _______ than cylindrical.
Heart Shaped
On a Ap projection of the t-spine, the spinous process of T4 will be ______________________ ?
Superimposed on the body of T5
For an AP thoracic spine how many degrees should your central ray be ?
None
When evaluating an image of the AP t-spine the ________ must be symmetrical to ensure no rotation.
Sternoclavicular Joints