This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
Scotty Dog Sign is seen in 
Select and explain. 
A. Spondylolysis, B. Fracture femur, C. Sarcoidosis, D. Osteosarcoma
A: Spondylolysis
Answer: A: Spondylolysis 
Explanation: The Scottie dog sign refers to the normal appearance of the lumbar spine when seen on oblique radiographic projection. On oblique views, the posterior elements of the veebra form the figure of a Scottie dog with: the transverse process being the nose. the pedicle forming the eye. Ref essential ohopaedic maheshwari and mhaskar 6/e p240