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Published on: November 5, 2019
Chronic meningitis: still a diagnostic challenge
1Institut Jules Bordet, rue Héger-Bordet 1, 1000 Bruxelles, Belgium.
Abstract:
Chronic meningitis is characterized by a progressive, subacute onset of lepomeningeal disease and persisting cerebrospinal fluid (CSF) abnormalities such as elevated protein level and pleocytosis for at least one month. The array of aetiologies is very wide comprising non-infectious (carcinomatous, systemic disease, toxic) and infectious (classic and opportunistic pathogens). The evaluation encompasses a careful history, complete physical examination and laboratory tests. The specific diagnosis may remain a challenge in some cases. Algorithms for the differential diagnosis are provided for both immunocompetent and immunocompromised patients.
Insights
Chronic meningitis presents with persistent cerebrospinal fluid (CSF) changes and diverse causes. Diagnostic algorithms aid in differentiating between infectious and non-infectious etiologies in various patient groups.
Area of Science:
- Neurology
- Infectious Diseases
- Clinical Medicine
Background:
- Chronic meningitis involves progressive lepomeningeal disease and persistent cerebrospinal fluid (CSF) abnormalities for over a month.
- Causes are diverse, including non-infectious (carcinomatous, systemic, toxic) and infectious (classic, opportunistic) pathogens.
- Diagnosis can be challenging, requiring thorough evaluation.
Purpose of the Study:
- To outline the diagnostic approach for chronic meningitis.
- To provide differential diagnosis algorithms for immunocompetent and immunocompromised patients.
- To address the wide array of potential etiologies.
Main Methods:
- Comprehensive patient history and physical examination.
- Laboratory tests including cerebrospinal fluid (CSF) analysis.
- Development of diagnostic algorithms based on patient immune status.
Main Results:
- Chronic meningitis is defined by specific clinical and CSF criteria.
- A broad spectrum of infectious and non-infectious causes exists.
- Diagnostic algorithms facilitate the differentiation of potential causes.
Conclusions:
- Effective diagnosis of chronic meningitis relies on systematic evaluation.
- Differential diagnosis algorithms are crucial for guiding management in both immunocompetent and immunocompromised individuals.
- Understanding the diverse etiologies is key to successful patient outcomes.
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