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Anatomy
Radiographic Criteria
Procedures
Technical/Positioning Considerations
Pathology
100
sternum, thoracic vertebrae and 12 pair of ribs
What are the parts of the bony thorax?
100
Correct patient rotation is demonstrated by visulaizing the sternum alongside the vertebral column with no superimpostition
What is position (RAO sternum)?
100
Lenght of time required to implement the breathing technique for an RAO sternum.
What is 2 seconds?
100
Large, barrel-chested vs. thin-chested thorax
What is the degree of obliquity required to image the sterum in an RAO position?
100
Anterior protrusion of lower sternum
What is Pectus carinatum (pigeon chest)?
200
Promontory
What is the most superior and anterior aspect of the sacrum?
200
Entire sternum with minimal overlap of soft tissue
What is Structures shown (Lateral sternum)?
200
Patient rotated 25 to 30 degrees with side of interest elevated.
What are LPO and RPO SI joints?
200
Should be used for a radiographic examination of the sternum in the RAO position.
What is breathing technique?
200
Fractures and inflamatory processes
What are pathologies demonstrated with RAO and lateral projections of the sternum?
300
Form the sacroiliac joint
What are the articulare surfaces of the ilium and sacrum?
300
The ala of the ililum and the sacrum should have no overlap
What is position (SI joints)?
300
The patient should be rotated 10 to 15 degrees to demonstrate the joint space.
What are RAO and LAO sternoclavicular joints?
300
Associated with higher mA
What are shorter exposure times?
300
Radiographic appearance of erosion of bony margins
What is osteomyelitis?
400
Plane (Gliding) diathrodial joints
What are sternoclavicular joints?
400
Anatomy farthest fro the IR are visible, with joint space appearing open.
What is structures shown (LPO and RPO SI joints)?
400
This image is performed upon expiration for a more uniform density.
What is the PA sternoclavicular joints?
400
Is vital with high KV technique to improve image quality
What is close collimation?
400
Depressed sternum
What is pectus exavatum (funnel chest)?
500
Corpus or gladioulus of the sternum
What is the body?
500
Demonstrates downside with joint space open
What is structures shown (RAO and LAO SC joints)?
500
This image can be obtained as a PA projection with patient prone, using a 30 to 35 degree caudad angle with the CR centered to the level of L4.
What is the alternate PA axial SI joint projection?
500
Exposure upon inspiration
What are lateral sternum breathing instructions?
500
Aspects of vertebral column becoming fused, radiographic appearance of a piece of bamboo.
What is ankylosing spondylitis?