GFAP and meningeal tuberculosis: According to relevant research reports, the elevated levels of lymphocytes and protein levels in the CSF of patients with TBM and A-GFAP-A are different; In TBM patients, lymphocyte and protein levels in CSF are significantly elevated; However, in A-GFAP-A patients, the levels of protein and lymphocytes in CSF are elevated, showing another phenomenon, that is, lymphocytes are mildly elevated while protein levels is significantly elevated (50).