| Summary: | <b>Context:</b> Human immunodeficiency virus (HIV) infection continues to be the most important risk factor for the development of central nervous system (CNS) cryptococcosis, which in turn is an important contributor to morbidity and mortality in HIV-infected patients. Early diagnosis of such patients is the key to their therapeutic success. <b> Aims:</b> This study was undertaken to find out the prevalence of CNS cryptococcosis and to assess the role of microbiological parameters for its specific diagnosis in HIV-reactive hospitalized patients admitted with meningeal signs in a tertiary care setting. <b> Materials and Methods:</b> A total of 104 patients suspected to be suffering from meningitis/meningoencephalitis were subjected to cerebrospinal fluid (CSF) analysis (including India ink preparation, culture by conventional methods and Bactec MGIT 960 system, antigen detection) and tests for HIV antibodies by standard laboratory operating procedures. <b> Results:</b> The prevalence of HIV infection in our study group was 12.5% (13/104), while the prevalence of cryptococcal CNS infection in HIV-reactive cohort was 46% (6/13). Additionally, 15.3% (2/13) of the patients from this cohort were positive for <i>Mycobacterium tuberculosis</i>. <b> Conclusions:</b> High prevalence of cryptococcal CNS infections in HIV-infected patients underscores the importance of precise and early microbiological diagnosis for better management of such patients
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