Resumen
Definición
Anamnesis y examen
Principales factores de diagnóstico
- progressive headache
- severe headache
- meningismus
- symptoms of hydrocephalus (impaired cognitive function, confusion, coordination and gait disturbances, and urinary incontinence)
- behavioral or personality change
- reduced visual acuity and papilledema
Otros factores de diagnóstico
- nausea or vomiting
- fever
- reduced conscious level
- cranial nerve palsies
- seizures
- weight loss
- mouth ulcers
- focal neurologic signs
- lymphadenopathy, hepatosplenomegaly
- dyspnea
- papular umbilicated skin lesions
- retinal defects
- nasal or palatal eschar
Factores de riesgo
- HIV infection
- corticosteroid use
- underlying chronic disease (e.g., malignancy, organ failure, autoimmune disease, organ transplant)
- residing in or visiting northern Australia, Papua New Guinea, or Vancouver Island, Canada
- exposure to disturbed soil, chicken guano, or bat caves
- impaired cell-mediated immunity
- Filipinos and African Americans
- neutropenia or impaired phagocytic function
- neurosurgery
- infants and neonates
- central vascular catheters
- sinonasal disease
- antibacterial use
- prior surgery
- hyperalimentation
- intravenous drug use
Pruebas diagnósticas
Primeras pruebas diagnósticas para solicitar
- CT and/or MRI head scan
- fungal blood cultures (3 sets)
- serum cryptococcal antigen test
- serum + urine Histoplasma antigen
- immunodiffusion tests (IgM and IgG) and complement fixation test (IgG) for coccidioidomycosis
- cerebrospinal fluid opening pressure
- cerebrospinal fluid (CSF) WBC and differential
- cerebrospinal fluid (CSF) protein
- cerebrospinal fluid (CSF) glucose
- cerebrospinal fluid India ink stain
- cerebrospinal fluid (CSF) culture
- cerebrospinal fluid cryptococcal polysaccharide antigen test
- cerebrospinal fluid Histoplasma antigen
- cerebrospinal fluid Histoplasma antibodies
- cerebrospinal fluid coccidioidal IgG antibodies
- cerebrospinal fluid (CSF) galactomannan antigen test
Pruebas diagnósticas que deben considerarse
- histopathology and culture of biopsies: meningeal, brain, extraneural sites of involvement
- polymerase chain reaction (PCR)
Pruebas emergentes
- 18F-fluorodeoxyglucose (FDG) PET/CT
- cerebrospinal fluid (CSF) (1-3)-beta-D-glucan
Algoritmo de tratamiento
cryptococcal meningitis
histoplasmal meningitis
coccidioidal meningitis
candidal meningitis
Exserohilum rostratum meningitis
Aspergillus meningitis
mucormycosal meningitis
Colaboradores
Autores
Abhijit Chaudhuri, DM, MD, PhD, FACP, FRCP (Glasg), FRCP (Lond)
Consultant Neurologist
Clinical Lead of Neuroinflammation
Department of Neurology
Queen's Hospital
Romford
UK
Divulgaciones
AC declares that he has no competing interests.
Agradecimientos
Dr Abhijit Chaudhuri would like to gratefully acknowledge Dr Thomas S. Harrison and Dr Angela Loyse, previous contributors to this topic.
Divulgaciones
TSH and AL declare that they have no competing interests.
Revisores por pares
Robert A. Larsen, MD
Associate Professor of Medicine
University of Southern California
Keck School of Medicine
Los Angeles
CA
Divulgaciones
RAL declares that he has no competing interests.
Agradecimiento de los revisores por pares
Los temas de BMJ Best Practice se actualizan de forma continua de acuerdo con los desarrollos en la evidencia y en las guías. Los revisores por pares listados aquí han revisado el contenido al menos una vez durante la historia del tema.
Divulgaciones
Las afiliaciones y divulgaciones de los revisores por pares se refieren al momento de la revisión.
Referencias
Artículos principales
Johnson RH, Einstein HE. Coccidioidal meningitis. Clin Infect Dis. 2006 Jan 1;42(1):103-7.Texto completo Resumen
World Health Organization. Guidelines for diagnosing, preventing and managing cryptococcal disease among adults, adolescents and children living with HIV. June 2022 [internet publication].Texto completo Resumen
National Institutes of Health, Centers for Disease Control and Prevention, HIV Medicine Association of the Infectious Disease Society of America. Guidelines for the prevention and treatment of opportunistic infections in adults and adolescents with HIV. Jul 2025 [internet publication].Texto completo
Galgiani JN, Ampel NM, Blair JE, et al. 2016 Infectious Diseases Society of America (IDSA) clinical practice guideline for the treatment of coccidioidomycosis. Clin Infect Dis. 2016 Sep 15;63(6):e112-46.Texto completo Resumen
Pappas PG, Kauffman CA, Andes DR, et al. Clinical practice guideline for the management of candidiasis: 2016 update by the Infectious Diseases Society of America. Clin Infect Dis. 2016 Feb 15;62(4):e1-50.Texto completo Resumen
Patterson TF, Thompson GR 3rd, Denning DW, et al. Practice guidelines for the diagnosis and management of aspergillosis: 2016 update by the Infectious Diseases Society of America. Clin Infect Dis. 2016 Aug 15;63(4):e1-60.Texto completo Resumen
Artículos de referencia
Una lista completa de las fuentes a las que se hace referencia en este tema está disponible para los usuarios con acceso a todo BMJ Best Practice.

Diferenciales
- Tuberculous meningitis
- Bacterial meningitis
- Viral meningitis
Más DiferencialesGuías de práctica clínica
- Guidelines for the prevention and treatment of opportunistic infections in adults and adolescents with HIV
- Guidelines for diagnosing, preventing, and managing cryptococcal disease among adults, adolescents and children living with HIV
Más Guías de práctica clínicaFolletos para el paciente
Lumbar puncture
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