lecture 27 - spine imaging Flashcards

1
Q

Which nerve root will a central disc herniation affect?

A

The nerve root of vertebrae below

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2
Q

What nerve root will a lateral disc herniation affect?

A

Vertebrae above

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3
Q

What are the 3 radiological divisions of the vertebrae according to the Denis classification?

A

Anterior column, middle column, posterior column

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4
Q

What are the 2 most common types of spinal fracture?

A

Compression & burst fractures

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5
Q

What is a ‘winking owl’ sign on an xray of the spine?

A

A missing pedicle - appears as winking owl with anterior view

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6
Q

What is the difference between lumbar spine procedures with an epidural vs spinal needle?

A

Epidural needle enters epidural space, while spinal needle penetrates deeper into the subarachnoid space

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