This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Which of the following is not true about jeffersons fracture? 
Select and explain. 
A. It is a burst fracture of the ring of atlas veebra, B. It is the most common type of atlas fracture, C. Fracture definition is paicularly clear on CT scan image, D. It is associated with injury elsewhere in spine in 25% of the cases.
D: It is associated with injury elsewhere in spine in 25% of the cases.
Answer: D: It is associated with injury elsewhere in spine in 25% of the cases. 
Explanation: * Fracture of atlas are associated with injury elsewhere in cervical spine in upto 50% of cases; odontoid fractures and hangman's fracture in paicular should be excluded. *Other optionsare correct. <img alt="" src=" /> Ref: Maheshwari 9th/e p.272