Imaging Overview: Cervical and Spine X-Rays Flashcards

1
Q

Radiodense

A
  • Inhibits the passage of x-rays
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2
Q

Radolucent

A
  • Allows the passage of x-rays
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3
Q

Plain Film

A
  • X-ray that is taken without contrast
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4
Q

Angiography

A
  • Inject radio nucleotide into blood stream prior to x-ray

- Radio opaque dye can be seen when x-ray is taken to see vasculature

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5
Q

Most Radiolucent

A
  • Air
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6
Q

Most Radiodense

A
  • Bone
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7
Q

Most to Least Radiodense

A
  • Compact bone
  • Spongy bone
  • Water and most tissues
  • Fat
  • Air
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8
Q

Computerized Tomography

A
  • Takes different angular projection x-rays that are processed by a computer into different slices
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9
Q

Three Standard X-Ray Views

A
  • Lateral
  • Anterior/posterior
  • Open mouth view)
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10
Q

Atlas (C1)

A
  • No vertebral body or spinous process
  • Has anterior arch visible in anterior tubercle
  • Seen laterally on x-ray
  • Also has posterior arch and tubercle
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11
Q

Axis (C2)

A
  • Largest spinous process, usually can be felt
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12
Q

Vertebrae Prominens (C7)

A
  • Has longest spinous process

- Usually can be felt externally

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13
Q

Amphiarthrosis

A
  • Slightly movable
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14
Q

Symphysis Joint

A
  • Fibrocartilaginous joint that is slightly movable
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15
Q

Articular Processes

A
  • Anterior to spinous processes
  • Limit extension (bending head back)
  • Located throughout entire column
  • Every vertebrae has two inferior and two superior
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16
Q

Facet Joints

A
  • 45-50 degrees above horizontal plane
  • Do not restrict movement in a particular plane
  • Much mobility in cervical spine because of this orientation
17
Q

C1

A
  • Articulates with occipital condyles of occipital bone (skull)
  • No disc between this vertebrae and occipital condyles
  • Primary movement is flexion/extension (nodding head yes)
18
Q

Atlanto-Axial Joint

A
  • Articular processes of C1 articulate with superior processes of C2
  • More complex: additional articulation between dens (odontoid process) and posterior aspect of anterior arch of atlas
19
Q

3 Components of Atlanto-Axial Joint

A
  • C1
  • C2
  • Dens (extends superiorly from C2 to allow for rotation of C1)
20
Q

Body Lines

A
  • Anterior/posterior
  • Posterior spinous
  • Spinal lamina between anterior posterior spinous
21
Q

Uncinate Process

A
  • Unique to cervical spine
  • Lateral lips of superior surface of body of cervical vertebrae and project outward
  • Likely involved with limiting motion
22
Q

Bone Spurs in Uncovertebral Joints

A
  • Located next to intervertebral foramen where spinal nerves come out
  • Can protrude and put pressure on spinal nerves in IVF causing pain
23
Q

Lateral Atlanto-Axial Joint

A
  • Spaces between C1 and C2 underneath
24
Q

Fracture of the Dens

A
  • Can result in an instability in upper cervical spine

- Can effect breathing, cause quadriplegia (paralysis in all four limbs)

25
Q

Median Atlanto-Axial Joint (Pivot Joint)

A
  • Space between C1 and lateral sides of the Dens