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What is Commonest type of spinal T.B. is - and explain in detail?
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.