The commonest type of spinal T.B. is -
Ans. is 'b' paradisical The commonest type of spinal T.B. is paradisical.In this contiguous areas of 2 adjacent vertebrae along with intervening disc are affected.This special pattern of involvement is seen because of the embryology of the vertebra.The lower half of one vertebra and the upper half of the one below if along with the intervening disc develop from a pair of sclerotomies and have a common blood supply.Note-Image shows Gibbus
Posterior
Paradiscal
Pedicle
Anterior