<prompt> ln spondylolisthesis following radiological features seen-Scotty dogScotty dog wearing a collarBeheaded scotty dog terrier signNepolean sign  <response>: 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 