<prompt> Most common type of lesion in Potts spine:CentralAnteriorParadiscalAppendiceal  <response>: The most common type of lesion in Potts 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. 