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118 Cards in this Set
- Front
- Back
what is the anomaly?
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accessory articulation of the Spinous process of C1-C2
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what is the anomaly in which C1 is fused to the occiput?
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Occipitalization or Assimilation of C1
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which anomaly has an extra bony process which extends downwards from the jugular process of the occiput to the TVP of C1
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Paracondylar process
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which anomaly may have an extra bony protuberance from the tvp of C1 which extends upward toward the jugular process of the skull base
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epitransverse process
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which anomaly may have a articulation of occiput to cervical anterior tubericle
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third condyle
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which anomaly would you see an absence of the bony posterior neural arch of C1
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agenesis of the posterior arch
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you may find megaspinous with what other types of anomalies
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Spina bifida occulta
complete agenesis of the posterior arch |
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what are the 2 hypoplasias of the posterior arch? and what would you see with them?
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thin posterior arch- posterior arch is thin and attenuating
short posterior arch- may shorten the diameter of the spinal canal |
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which anomaly has calcification extending posteriorly from lateral masses to the posterior arch
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Posterior ponticle
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what are some controversies about adjusting posterior ponticles?
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some say that the ponticle can compromise the vertebral artery
however some say clinical significance is a matter of debate |
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which anomaly arises from the superior lateral aspect of the lateral mass of C1 and forms a complete bony arch over to the tvp enclosing the vertebral artery?
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lateral ponticle
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failure of fusion of the apical secondary ossification center at the odontoid tip is what anomaly?
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Os Terminale of Bergman
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if you look at a APOM view and see a small, diamond-shaped osseous density separated from the remainder of the dens by a corresponding "V" shape you are looking at which anomaly
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Os Terminale of Bergman as long as your patient is over the age of 12-13
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which anomaly is seen with a mid-line defect (cleft) within the posterior neural arch?
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Spina Bifida Occulta
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according to Yochum and Rowe a spina bifida occulta located at C1 is called What?
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Spondyloschisis
the defect is bridged by a fibrous tissue (not cartilage) and therefore, has potential to become clinically significant |
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failure of two or more segments to separate during development is which anomaly
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congenital block vertebra
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the presence of 2 or more blocked vertebrae in the cervical or thoracic spine is an indication of which anomaly
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Klipple-feil syndrome
usually associated with sprengles deformity and omovertebral bone |
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the classic clinical triad associated with klipple feil syndrome is
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1. low posterior hairline
2. short webbed neck 3. decreased cervical range of motion |
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which Systems are commonly involved with Klipple-feil syndrome
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1. genital urinary system
2. cardiopulmonary system 3. nervous system |
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which anomaly presents with a small rotated scapula so that the glenoid process faces inferiorly and inferior angle rests above the level of T7
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Sprengels deformity
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an isolated ossification within the anterior annular fibers of a cervical intervertebral disc is what anomaly
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intercalary bone
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what anomaly would you find ossification within the nuchal ligament
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Nuchal bone (ossicle)
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what anomaly would you find calcification of the nuchal ligament where it attaches to the occiput?
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enlarged EOP
Occipital spur known to fracture with direct fracture |
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calcification of the ligament/membrane extending from the posterior aspect of the petrous portion of the temporal bone to the posterior aspect of the posterior clinoid of the sella turcica is what anomaly
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Petroclinoid Ligament calcification
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calcification of the ligament/membrane extending from the anterior to the posterior clinoid processes is which anomaly
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interclinoid ligament calcification
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what is the cardinal rule in radiology?
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at least two views taken at right angles (90 degrees) to each other.
supplemental views may be required to visualize certain areas and abnormalities to be content with a single view is to miss potentially important abnormalities |
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these markers stand for what:
RPO- RAO- LPO- LAO- |
RPO- right posterior oblique
RAO- right anterior oblique LPO- left posterior oblique LAO- left anterior oblique |
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in radiography of the cervical spine there are 3 different series what are these and how many views are in each?
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1. standard series (3 views)
2. extended series (5 views) 3. Davis series (7 views) |
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in the Standard series what are the views you would find
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Lateral cervical nuetral (LCN)
AP lower cervical (APLC) AP open mouth (APOM) |
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in the extended series what are the views you would find?
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Lateral cervical nuetral (LCN)
AP lower cervical (APLC) AP open mouth (APOM) Right Obliques Left Obliques |
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in the Davis series what are the views you might find
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Lateral cervical nuetral (LCN)
AP lower cervical (APLC) AP open mouth (APOM) Right Obliques Left Obliques Lateral cervical flexion lateral cervical extension |
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at the level of C2 what space,which can be no more than 5-7mm, might you find on an x-ray?
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Retroharyngeal soft tissue space
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at the level of C6 the soft tissue space, which can be no more than 20-22mm in adults or 14mm in children, might you find on an x-ray?
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Retrotracheal soft tissue space
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distance between lateral dens and medial aspect of the lateral mass superior border close to equal on either side, with no greater than 2mm difference is what space?
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Paraodontoid space
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put these densities in order from most film density to the least film density:
Bone Water/soft tissue Metal Fat Air/gas |
1. Air/gas
2. Fat 3. water/soft tissue 4. Bone 5. metal |
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what 7 items must be included with every radiograph?
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1. clinic name or doctors name
2. name and location at which the film was taken (if the same as 1 does not need to be repeated) 3. patient name 4. patients DOB or age 5. gender 6. date of film 7. ID number (not required in all states) |
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what line of mensuration is there a line extending A to P from the anterior clinoid process to the dorsum sella representing the upper most portion of the sella
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Sella turcica size
normal- 16mm maximum horizontal 12mm maximum vertical |
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which line of mensuration has 2 lines: 1st line from the nasion to center of sella turcica.
2nd line from the center of sella turcica to anterior foramen magnum |
Martins basilar angle
no larger than 152 degrees no smaller than 123 degrees |
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martins basilar angle may be seen with which views
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lateral skull; often difficult to assess on lateral cervical due to collimation of orbits
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which view would you be able to assess the sella turcica size?
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lateral skull, lateral cervical
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Posteriosuperior hard palate to the most inferior surface of the occipital bone is which line of mensuration
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McGregor's line
the tip of the odontoid should not extend greater than 8mm above this line. under the age of 18 these values diminish with decreasing chronological age |
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what views would you find the McGregor's line
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Lateral skull, Lateral cervical
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if the tip of the odontoid extends more than 8mm above McGregor's line this may be indicative of what?
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Basilar impression
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increased angle of Martin's Basilar angle (greater than 152degrees) may mean what?
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Platybasia- flatting of the skull base
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posterior hard palate to the posterior foramen magnum is which line of mensuration?
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Chamberlain's line
odontoid tip should not extend more than 5 mm above the reference line |
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if the tip of the odontoid extends more than 5mm above chamberlain's line this may be indicative of what?
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Basilar impression
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which views would you be able to see chamberlain's line?
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lateral skull
Lateral cervical |
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a line connecting the anterior (Basion) and posterior (opisthion) margins of the foramen magnum is which line of mensuration
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McRae's Line
1. the inferior margin of the occipital bone should lie at or below this line 2. perpendicular line from the odontoid apex should intersect the reference line in the anterior quarter |
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which views would you see McRae's line?
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lateral skull
lateral cervical |
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if the inferior margin of the occipital is above McRae's line this is indicative of what?
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Basilar impression
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line joining the diagastric grooves medial to the mastoid processes is which line of mensuration?
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Diagastric Line
1. the odontoid- diagastric distance, measured from the tip of the odontoid to the reference line can range from 1-21mm 2. the atlanto-occipital joint digastric measurement can range from 4 to 20mm |
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which views would you find the Digastric line?
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APOM
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in the diagastric line superior position is indicative of what?
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Basilar impression
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measurement between the posterior anterior tubercle to the anterior surface of the odontoid is which line of mensuration?
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Atlantodental interspace
child- no greater than 5mm adult- no greater than 3mm |
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increased dimension of the atlantodental interspace could represent what
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rupture or laxity of the transverse ligament, resulting in narrowing of the spinal canal
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narrowing of the atlantodental interspace could be indicative of what?
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associated with degenerative changes of the joint itself
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what views would you might find the atlantodental interspace
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lateral cervical
cervical flexion/extension |
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line created by a series of short lines at the posterior midvertebral body represents which line of mensuration
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George's line (posterior body line)
should be smooth continuous arcing line |
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which views would you see the posterior body line?
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(George's line)
Lateral cervical can be used in thoracic and lumbar spine also |
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misalignment of George's line could mean what?
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fracture, dislocation, degenerative changes, or ligamentous laxity
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line created by a series of short lines at the spinolamiar junction of each individual cervical segment is which line of mensuration
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spinolaminar (junction) line
should create a smooth continuous arcing line |
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misalignment of the spinolaminar line may represent what?
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fracture, dislocation, degenerative changes, or ligamentous laxity.
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what views might you find the spinolaminar line?
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lateral cervical and can also be used in thoracic and lumbar
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the distance between the posterior border of the midvertebral body to the nearest surface of the same segmental spinolaminar junction line is which line of mensuration
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sagittal dimension of the cervical spinal canal
C1- 22mm C7- 17mm |
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what views would you measure the sagittal dimension of the cervical spinal canal
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lateral cervical (neutral, flexion, extension)
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narrowing of the sagittal dimension of the cervical spinal canal is indicative of what?
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sagittal stenosis
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widening of the sagittal dimension of the cervical spinal canal is indicative of what?
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spinal cord neoplasm
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the lateral margins of the atlas lateral masses are compared to the opposing lateral corner of the axis articular surface is which line of mensuration?
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Atlanto-axial alignment
these two land marks should be in vertical alignment |
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what view would you use to check the alignment of the atlanto-axial alignment?
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APOM
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lateral offset of the lateral masses of the atlanto-axial alignment may be indicative of what?
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a burst fracture of C1
this May be normal in children <4 yrs old |
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a vertical line is drawn from the apex of the odontoid this line should parallel the long axis of the film is which line of mensuration?
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cervical gravitational (weight bearing) line
this line should pass through the anterior superior margin of C7 |
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which views would you use in order to draw the cervical gravitational line (weight bearing line)?
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lateral cervical neutral
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when you draw the cervical gravitational line and it ends up anterior to C7 this would be indicative of what?
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anterior weight bearing, head forward carriage, or head forward posturing
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which line a mensuration does these lines make:
1. a horizontal line through the center of the anterior and posterior tubercle of atlas 2. a horizontal line across the inferior endplate of C7 3. perpendicular line (at 90 degrees) at the posterior aspects of line 1 and 2 which intersect with each other |
angle of the cervical curvature
cervical lordosis between 30-45degrees is normal hypolordosis <30 degrees hyperlordosis >45 degrees |
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which views would you use in order to draw the angle of the cervical curvature?
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cervical lateral neutral
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reduced or reversed cervical curve may be indicative of what?
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trauma, muscle spasm, and degenerative spondylosis
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which line of mensuration are these line:
1. line paralle to the posterior C2 body and ondontoid 2. line parallel to the posterior body of C7 to intersect line 1 |
Ruth Jackson's cervical stress line
flexion - lines should intersect between C5 and C6 Extension- lines should intersect between C4 and C5 |
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which views would you use in order to draw Ruth Jackson's cervical stress lines?
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Lateral cervical spine in flexion and extension
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T or F retropharyngeal soft tissue space should measure no greater than 8mm
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False
no more than 7mm |
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T or F in adults the retrotracheal soft tissue space should measure no more than 14mm
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False
no more than 22 mm in adults 14mm in children |
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anterior inferior margin of C6 to the posterior border of the adjacent tracheal air shadow is called what
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retrotracheal soft tissue space
no more than 22mm in adults no more that 14mm in children |
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name the colored lines of mensuration
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Red = anterior body line
Brown = posterior body line (George's line) green= spinolaminar (junction) line blue = posterior spinous line |
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what year was the Radiograph discovered?
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1895 by Wilhelm Conrad Roentgen
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the first clinical radiograph was taken on November 8, 1895 of who and of what?
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Mrs Roentgen (his wife) an x-ray of her hand was taken
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who developed the first intensifying screen?
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Pupin
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who invented the first fluoroscope?
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Thomas Edison
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who introduced the first moving grid mechanisms?
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Potter and Buckey
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in 1935 who was the first to produce a single exposure of the full AP spine?
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Sausser a Chiropractor
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which cervical vertebrae is the strongest?
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C2, Axis
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which direction do the pedicles project?
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Posterolaterally
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which direction do the lamina project?
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posteromedially
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what do the superior articular facets of the lateral masses of C1 articulate with
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the occipital condyles
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if a patient presents with a serious cervical spinal injury what is the course of action for the cervical x-rays assuming all are negative in finding anomalies. (from 1st to last)
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Lateral cervical view
if negative AP lower cervical if negative AP Open Mouth if negative Lateral Oblique |
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if your patient presents with serious cervical spinal injury and you take your course of action with x-rays and at anytime find that there is a anomaly what is your course of action?
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Place patient in Cervical Spine Collar and get them a CT and MRI
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if your patient presents with a serious spinal injury what x-ray views should you not take due to the unnecessary strain it might place on the patient
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flexion and extension views
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what part on the patient is closest to the film and whats the angle:
RAO |
right anterior shoulder at a 45 degree angle
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what part on the patient is closest to the film and whats the angle:
LAO |
Left anterior shoulder at a 45 degree angle
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what part on the patient is closest to the film and whats the angle:
RPO |
right posterior shoulder at a 45 degree angle
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what part on the patient is closest to the film and whats the angle:
LPO |
left posterior shoulder at a 45 degree angle
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which IVF's are visible in the Left oblique views?
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Right IVF's
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which IVF's are visible in the Right Oblique views?
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Left IVF's
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what is the FFD and tube tilt for lateral cervical neutral view?
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72 inches with no tube tilt
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the central ray should be at what vertebrae in a lateral cervical neutral view?
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C4
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in a AP Lower Cervical view what is the FFD, tube tile and the location of the central ray?
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FFD= 40 inches
Tilt= 15 degrees cephalic Central ray= thyroid cartilage, C4 |
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what is the direction of the TVP's of C7
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laterally and inferiorly
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what is the direction of the TVP's of T1
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laterally and superiorly
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in the APOM (AP open mouth) view what should the FFD, tube tilt, and the location of the central ray be?
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FFD= 40 inches
Tilt= none Central ray= directly through the mouth |
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T or F it is very important to collimate below the eyes.
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True
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cervical spinal oblique view what is the FFD, tube tilt, and location of the central ray?
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FFD= 72 inches
Tilt anterior= 15 degrees caudal tilt posterior= 15 degrees cephalic central ray= C4 |
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T or F anterior oblique view of the cervical spine show ipsilateral structures?
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True
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T or F posterior oblique views of the cervical spine show ipsilateral structures?
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False
Contralateral structures |
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what three structures would be superimposed on a LPO view?
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Right pedicle, Right TVP, and left lamina
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what three structures would be superimposed on a RAO?
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Left lamina, Right pedicle, Right TVP
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in the cervical spine flexion extension views what is the FFD, Tilt, and location of the central ray?
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FFD= 72 inches
Tilt= none Central Ray= C4 |
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flattening of the angle between the clivus and body of the sphenoid is called What?
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Platybasia
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what is a upward displacement of the upper cervical spine relative to the skull base?
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Basilar impression
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how many vertebral segments are there?
cervical= thoracic= lumbar= sacral= coccygeal= |
33 in all
cervical =7 thoracic= 12 lumbar= 5 sacral= 5 coccygeal= 4 but could vary |
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because there is no vertebral body of C1 where is the first superior IVD found?
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between C2 and C3
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