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Abstract
Background: Intracranial tuberculomas are rare manifestations of tuberculosis (TB). An extensive literature review revealed that no study of consecutive adults with intracranial tuberculoma has been conducted in the USA. Methods: This retrospective study consisted of 12 adults consecutively identified with intracranial tuberculomas from 1995 to 2009 in Houston, Texas. Of the 12 cases, 8 had a histopathological diagnosis, while 4 had a probable diagnosis based on the following criteria: (1) Mycobacterium tuberculosis identified from a source outside the brain, (2) radiographic confirmation of an intracranial mass, (3) received chemotherapy with 2 or more anti-tuberculosis medications, and (4) clinical response at 1-y follow-up. Results: Common clinical manifestations were altered mental status, fever, and night sweats. Four patients (25%) had a human immunodeficiency virus (HIV) infection. Nine patients (75%) had concomitant M. tuberculosis at at least 1 extracranial site, including 5 patients with pulmonary TB. The median duration of therapy was 11 months. Patients had a 1-y mortality rate of 16.7% and an overall morbidity rate of 20%. Conclusions: Intracranial tuberculomas in Houston, Texas, are rare. Hospital discharge predicted survival at 1 y, despite severe clinical presentations and invasive diagnostic procedures. However, tuberculoma cases are associated with higher mortality rates than non-central nervous system TB cases.
Declaration of interest: This study received internal funding, and no conflict of interest exists.