Commonest type of spinal T.B. is -
Ans. is 'b' i.e., Paradiscal o Commonest type of spinal T.B. is paradiscal. o In this contiguous areas of 2 adjacent veebrae along with intervening disc are affected. o This special pattern of involvement is seen because of the embryology of the veebra. The lower half of one veebra and upper half of the one below it, along with the intervening disc develop from pair of sclerotomes and have a common blood supply.
Posterior
Paradiscal
Pedicle
Anterior