This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2017, Subject name: Orthopaedics
Most common type of lesion in Pott's spine: 
Select and explain. 
A. Central, B. Anterior, C. Paradiscal, D. Appendiceal
C: Paradiscal
Answer: C: Paradiscal 
Explanation: The most common type of lesion in Pott's spine is Paradiscal area. Because the paradiscal area (lower pa of upper veebrae, upper pa of lower veebrae and the in-between veebral disc) arise from single mesodermal somite &has single supply of segmental aery through which tuberculosis spreads. Central (within the veebrae), anterior type (towards the anterior pa of veebrae) and appendiceal (posterior pa of veebrae) are rare.