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Adjuvant Activity of Mycobacterium paratuberculosis in Enhancing the Immunogenicity of Autoantigens During Experimental Autoimmune Encephalomyelitis
Published on: May 12, 2023
A 59-year-old woman with tuberculous meningitis masked by hepatic encephalopathy
Mark G Carmichael1, Jennifer C Thompson, Thomas B Buttolph
1Department of Medicine, William Beaumont Army Medical Center, 5005 North Piedras Street, El Paso, TX 79920, USA. mark.carmichael@amedd.army.mil
Abstract:
Tuberculous meningitis is a difficult diagnosis to make. The presenting symptoms, signs, and laboratory values are often nonspecific and can be attributed to other underlying conditions. Imaging and cerebrospinal fluid analysis can be more helpful. Extra pulmonary tuberculosis is not uncommon, and tuberculous meningitis represents 5% of extrapulmonary cases in the United States with the risk for tuberculosis increased six times for foreign-born persons. We report the case of a foreign-born cirrhotic patient with tuberculous meningitis whose diagnosis was likely delayed because of signs and symptoms of her underlying hepatic disease.
Insights
Diagnosing tuberculous meningitis is challenging due to nonspecific symptoms. This case highlights diagnostic delays in foreign-born patients with cirrhosis, emphasizing the need for heightened awareness of tuberculosis.
Area of Science:
- Neurology
- Infectious Diseases
- Public Health
Background:
- Tuberculous meningitis (TBM) presents with nonspecific symptoms, often mimicking other conditions, complicating early diagnosis.
- TBM accounts for 5% of extrapulmonary tuberculosis cases in the US, with foreign-born individuals facing a sixfold increased risk.
- Hepatic disease can further obscure TBM symptoms, leading to potential diagnostic delays.
Observation:
- A case report of a foreign-born patient with cirrhosis and TBM is presented.
- The patient's clinical presentation was complicated by signs and symptoms consistent with underlying hepatic disease.
- This overlap likely contributed to a delay in diagnosing tuberculous meningitis.
Findings:
- Nonspecific clinical and laboratory findings in TBM necessitate a high index of suspicion, particularly in at-risk populations.
- Cerebrospinal fluid analysis and imaging are crucial diagnostic tools for TBM.
- Coexisting conditions, such as cirrhosis, can mask or mimic TBM symptoms.
Implications:
- Increased awareness of TBM is crucial in foreign-born individuals, especially those with comorbidities like cirrhosis.
- Diagnostic protocols should consider extrapulmonary tuberculosis in patients presenting with nonspecific neurological symptoms.
- Timely diagnosis and treatment of TBM are essential to prevent severe neurological sequelae and mortality.
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