• Shuffle
    Toggle On
    Toggle Off
  • Alphabetize
    Toggle On
    Toggle Off
  • Front First
    Toggle On
    Toggle Off
  • Both Sides
    Toggle On
    Toggle Off
  • Read
    Toggle On
    Toggle Off
Reading...
Front

Card Range To Study

through

image

Play button

image

Play button

image

Progress

1/118

Click to flip

Use LEFT and RIGHT arrow keys to navigate between flashcards;

Use UP and DOWN arrow keys to flip the card;

H to show hint;

A reads text to speech;

118 Cards in this Set

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