Radiologic Eval Back pain Flashcards

1
Q

Diffuse Idiopathic Skeletal Hyperostosis

A

Hardening/calcification along the anterior longitudinal ligament of the thoracic/ lumbar spine = ‘bony bridges’

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2
Q

Ankylosing Spondylitis

A

Chronic inflammatory autoimmune disorder which, over time, causes the sacroiliac and joints of the spine to fuse. Ossification of the annulus fibrosus, anterior & posterior ligaments in the lumbar spine “bamboo spine”
Human leukocyte antigenB27

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3
Q

Limbus vertebra

A

Are the result of anterior protrusion of the intervertebral disk beneath the ring apophysis of the growing vertebral body

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4
Q

Schmorl Nodes

A

protrusions of the cartilage of the intervertebral disc through the vertebral body endplate and into the adjacent vertebra. Leading to inflammation.

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5
Q

SPONDYLOLISTHESIS

A

Displacement or ’slippage’ of one vertebral body relative to another. Dysplastic (congenital), Isthmic (A & B), Degenerative, Traumatic, Pathologic

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6
Q

Diseases that can cause spondolisthesis

A

Osteogenesis imperfecta
Infection
Tumor
Paget’s

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7
Q

facet tropism can be caused by

A

hypermobility

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8
Q

developmental defect or ‘stress’ fracture of the pars interarticularis

A

spondololysis; mild defect in scotty dog collar. If decapitated it’s spondylolisthesis

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9
Q

When to use MRI of lumbar spine

A

used to evaluate the integrity of the spinal ligaments,
necessary to assess the spinal cord of any trauma patient with neurologic deficits or symptoms that suggest spinal cord injury

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10
Q

when to use CT of lumbar spine

A

Vertebral fractures are better characterized by CT
When CT or plain radiographs demonstrate a thoracolumbar burst fracture, MRI is often used to characterize the integrity of the posterior ligaments

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