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RADT316 - C/T SPINE

Review Cervical and Thoracic Positioning and related information

QuestionAnswer
Which section(s) of the spine possess a primary curve? thoracic, sacral
The lumbar spine possesses a ______ posterior spinal curvature. concave
An abnormal or exaggerated thoracic spinal curvature with increased convexity Kyphosis
An abnormal or exaggerated lateral spinal curvature scoliosis
synonym for "slipped disk" herniated nucleus pulposus
The foramina created by the superior and inferior vertebral notches intervertebral
Joints found between the superior and inferior articular processes zygapophyseal
Inner aspect of the intervertebral disk nucleus pulposus
The ______ pass through the cervical transverse foramina vertebral artery/vein
Unique characteristic of cervical spine vertebrae structure bifid spinous process, three foramina
Unique characteristic of thoracic spine vertebrae structure facets for rib articulations
The intervertebral foramina for the cervical spine lie at a ____ degree angle to the midsagittal plane forty-five
The zygapophyseal joints of the cervical spine (C3-7) lie at a ______ degree angle to the midsagittal plane ninety
The large joint space between C1 and C2 zygapophyseal
Ligament that holds the dens agains the anterior arch of C1 transverse atlantal ligament
partial facets found on thoracic vertebrae demifacets
Thoracic vertebrae that do not possess a facet for the costotransverse joint T11, T12
Position of the thoracic spine that best demonstrates the intervertebral foramina lateral
position of the cervical spine that would best demonstrate the zygapophyseal joint of C1-2 AP open mouth
Position of the thoracic spine that best demonstrates the zygapophyseal joints oblique
The zygapophyseal joints lie at a _____ degree angle to the midsaggital plane in the thoracic spine seventy
In a RAO position of the cervical spine, what specific structures would be visualized? right intervertebral foramina
In a RAO position of the thoracic spine, what specific structures would be visualized? right zygapophyseal joints
vertebral prominens is the bony landmark at the same level as this C7-T1
jugular notch is the bondy landmark at the same level as this T2-3
a point 3-4" below the jugular notch is equivalent to this spine level T7
the gonion is at this same spine level C3
the sternal angle is at approximately this same spine level T4-5
The thyroid cartilage is at approximately this same spine level C4-6
avulsion fracture of the spinous processes of C6-T1 clay shoveler's fracture
scheuermann disease is a form of _____. scoliosis/kyphosis
Common site for HNP L4-L5
Two ways to prevent excess scatter radiation on a lateral thoracic image collimation and shiedling
what is the degree and direction of angulation for the AP axial cervical spine? 15 to 20 cephalic
what is the degree and direction of angulation for an anterior oblique cervical spine 15 caudal
what is the degree and direction of angulation for a posterior oblique cervical spine? 15 cephalic
The anterior obliques (RAO/LAO) of the cervical spine demonstrate which intervertebral foramina? side closest
The posterior obliques of (RPO/LPO) the cervical spine demonstrate which intervertebral foramina side farthest
The anterior obliques (RAO/LAO) of the thoracic spine demonstrate which joints? side closest
The posterior obliques (RPO/LPO) of the thoracic spine demonstrate which joints? side farthest
functions of the vertebral column supports trunk, potects spinal cord, supports skull
number of cervical vertebrae 7
number of thoracic vertebrae 12
total vertebrae in adult 26
areas of spine with a lordotic curve cervical, lumbar
areas of spine with a kyphotic curve thoracic, sacrum
curves of spine that have a concave appearance compensatory
areas of spine that are known as primary curves thoracic, sacrum
areas of spine that are known as compensatory curves cervical, lumbar
of the two compensatory curves, which develops first? cervical
structures in vertebrae through which spinal nerves and vessels exit the spinal column intervertebral foramina
another name for C1 atlas
another name for c2 axis
another name for c7 vertebra prominens
another name for the odontoid process dens
thick weight bearing anteior part of the vertebra body
consists of a ring or arch of bone that extends posteriorly from the vertebral body vertebral arch
the posterior and anterior vertebral arches form a circle called ______ which protects the spinal cord vertebral foramen
succession of vertebral foramina forms a tubelike opening called_____ vertebral canal
bony process that extends posteriorly from either side of the vertebral body and forms most of the sides of the vertebral arch pedicles
posterior part of vertebral arch is formed by two somewhat flat layers of bone called_____ which extend posteriorly from the pedicle and unite at the midline laminae
process that extends laterally from the junction of the pedicle and laminae transverse
process that extends posteriorly from the junction of two laminae spinous
the outer fibrous portion of a intervertebral disk annulus fibrosus
joint between C1 and skull atlantooccipital articulations
c1 lacks this feature of all vertebrae body
if the left side Z joint appears more closed off than the right side Z joint on an AP open mouth view, what could be the problem? skull tilted to left
this thoracic vertebra has a full facet superiorly and a demifacet inferiorly T1
thoracic vertebrae that have demifacets both superiorly and inferiorly T2-T8
thoracic vertebra with only a demifacet superiorly T9
thoracic vertebrae with full facets only T10-T12
the degree of rotation FROM A LATERAL position for an RAO thoracic? 15-20
the base of the skull (tip of mastoid process) should be in line with this for an AP open mouth view occlusal plane
which view would show the odontoid process inside the foramen magnum? Fuchs
How much is the CR angled for an AP Thoracic 0
How much is the CR angled for an RAO Thoracic 0
How much is the CR angled for a Cervical lateral 0
What is the SID for a cervical lateral? 72"
Why do we use the SID we do for the lateral cervical? compensate for large OID
How much is the CR angle for the lateral thoracic? 0
How much is the CR angle for cervical swimmer's when shoulder separation is not possible? 3-5 degree
which two projections will show the odontoid in the center of the foramen magnum? Fuchs, Judd
The Fuchs method is a ____ projection AP
The Judd method is a _____ projection PA
Doing obliques in the AP vs PA increases your patient's thyroid dose by _____ times 10-15
the portion of the cervical lamina that is a short column of bone between the superior and inferior processes articular pillar
The intervertebral joints of C2-T12 have this joint classification carilaginous
The intervertebral joints of C2-T12 have this mobility type amphiarthroidal
The joints between C1 and C2 have these movement types plane and trochoid
The name of the two joints between C1 and C2 R/L lateral atlantoaxial (sometimes called zygaphophyseal joints) and medial atlantoaxial
The Z joints of C2-T12 have this classification synovial
The Z joints of C2-T12 have this mobility type diarthroidal
The Z joints of C2-T12 have this movement plane
What is the major positioning line used in the Fuchs method (other than MSP)? MML
Central ray is directed ______ degrees to the MML for a Fuchs method 0 (parallel)
kV range for cervical radiography 70-80
kV range for thoracic radiography 80-90
What technique is used on a lateral thoracic to blur structures that overlie the thoracic vertebrae breathing
usual SID for lateral and oblique cervical radiography 72"
usual SID for thoracic radiography 40"
usual SID for AP axial cervical 40
exposure should be made on full ______ for lateral cervical radiography expiration
film size for cervical radiography 8x10/10x12
film orientation for most cervical views lengthwise
film size for AP/Lat Thoracic 14x17
film orientation for AP/Lat Thoracic lengthwise
Centering point for AP Axial C4
Centering point for AP open mouth center of open mouth
Centering point for AP Fuchs inferior tip of mandible
Centering point for PA Judd 1" inferoposterior to mastoid tips and angles of mandible
Centering point for lateral C4
Centering point for swimmer's T1 (1" above jugular notch or at level of C7 process)
Centering point for trauma lateral C4
Centering point for oblique cervical C4
Centering point for flexion/extension lateral C4
Centering point for AP Thoracic T7
Centering point for lateral thoracic T7
centering point for RAO/LAO thoracic T7
first view attempted of a cervical spine series to "clear" a patient in a collar CTL
How could the anode heel effect be used with the thoracic spine? anode side of tube toward upper chest
A dose reduction of ____% can occur by imaging a scoliosis series PA rather than AP 90
wedge shaped vertebral body from lateral perspective compression fracture
fracture of the anterior C2 arch, usually also with anterior subluxation of C2 on C3 hangman's fracture
Bilateral offset of spreading of the lateral masses of C1 relative to the dens (comminuted fracture of the ring of C1) Jefferson fracture
Fracture line through the base of the dens, possibly extending into the lateral masses or arches of C1 odontoid fracture
comminuted vertebral body fragments avulsed from the anterioinferior border and fragments from the posterior vertebral body displaced into the spinal canal teardrop burst fracture
unilateral-bow tie deformity facets-unilateral subluxations and bilateral locks
normal concave lumbar curvature or abnormal or exaggerated lumbar curvature lordosis
degeneration of catrilage and formation of osteophytes osteoarthritis
BMD loss osteoporosis
calcification with ossification creating stiffness and lack of joint mobility spondylitis
bony projections extended laterally from transverse process transitional vertebra
Example of a transitional vertebra C7 or L1 with false rib
thoracic vertebrae that possess a facet on the transverse process for rib articulation T1-T10
Created by: hschmuck1