Question
Following sign is seen in which condition?
A. Spondylosis
B. Spondylolisthesis
C. Normal appearance of lumbar spine
D. Osteoporosis
Show Answer
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Correct Answer » C Explanation |
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Ans:C. Normal appearance of lumbar spine.
Scotty dog sign – refers to the normal appearance of the lumbar spine posterior elements when seen on oblique views:
- the transverse process being the nose
- the pedicle forming the eye
- the inferior articular facet being the front leg
- the superior articular facet representing the ear
- the pars interarticularis (the lamina between the facets) equivalent to the neck