<prompt> Lab repo -- CSF with N glucose, upward arrow protein and marked lymphocytosis diagnosis isT.B. MeningitisViral meningitisPaialy Rx pyogenic infectionPyogenic infection  <response>: TB meningitis Tuberculous meningitis is caused by the Mycobacterium tuberculosis bacteria. Infection begins elsewhere in the body, usually the lungs, but in about 1 - 2 of cases the bacterium causes TB meningitis. TB meningitis Characteristic cerebrospinal fluid CSF findings of TBM include a lymphocytic-predominant pleiocytosis, elevated protein, and low glucose. CSF acid-fast smear and culture have relatively low sensitivity but yield is increased with multiple, large volume samples. Ref Harrison20th edition pg 2345 . 