Image Based Question-71967

Following sign is seen in which condition?

A. Spondylosis

B. Spondylolisthesis

C. Normal appearance of lumbar spine

D. Osteoporosis

Correct Answer » C Explanation

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