ln spondylolisthesis following radiological features seen-
Scottish terrier dog is normal appearance of neural arch shadow. Scottish dog wearing a collar is seen in spondylolysis Beheaded Scottish dog is seen in spondylolisthesis Also remember inveed Napolean hat sign is seen in spondylolisthesis. Oblique view of spine better displays the lamina and aicular processes than AP and lateral view
Scotty dog
Scotty dog wearing a collar
Beheaded scotty dog terrier sign
Nepolean sign
Skeletal system