Lumbar/Sacrum/Coccyx - Scotty dog
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
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| What radiograph position of the lumbar spine shows an appearance of a Scotty dog? | a good 45 degree oblique
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| What forms the nose of the Scotty dog? | transverse process
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| What forms the eye of the Scotty dog? | one pedicle seen on end
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| What forms the neck of the Scotty dog? | pars interarticularis
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| What forms the front leg of the Scotty dog? | one inferior articular process
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| What forms the pointed ear of the Scotty dog? | one of the superior articular processes
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| What does the front leg and ear of the Scotty dog form? | zygapophyseal joint
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| What positioning error will demonstrate the pedicle (eye of the Scotty dog) to appear more posteriorly on the vertebral body? | overrotation
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| What positioning error will demonstrate the pedicle (eye of the Scotty dog) to appear more anteriorly on the vertebral body? | underrotation
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| Where is the pedicle (eye of the Scotty dog) located on a correct 45 degree rotated oblique? | near the center of the vertebral body on the radiographic image
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Created by:
sunshineb
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