Hi, My brother is having a severe headache, nausea, unable to walk since last 1 month and double vision . Dr did MRIs, CT scan everything looks normal. Then he did lumber puncture to do the CSF test. In CSF analysis, protein and glucose level are high. CSF analysis is for 3 mls suger - 46 protein - 273 Color - Straw ADA-MTB test result - 6.7 Mycobacterium tuberculosis - Not detected. Fungal culture & Stain Fungal Stain - No fungal elements detected. Fungal Culture - Preliminary - Negative Fungal Culture - final - still waiting. Can anybody suggest me what disease he is having?