When viewing this topic in a different language, you may notice some differences in the way the content is structured, but it still reflects the latest evidence-based guidance.

Brain abscess

Última revisão: 10 Feb 2026
Última atualização: 23 May 2023

Resumo

Definição

História e exame físico

Principais fatores diagnósticos

  • male sex
  • age <30 years
  • meningismus
  • headache
  • cranial nerve palsy
  • positive Kernig or Brudzinski sign
  • fever
  • increased head circumference (infants)
  • bulging fontanelles (infants)
Detalhes completos

Outros fatores diagnósticos

  • neurological deficit
  • papilledema
Detalhes completos

Fatores de risco

  • sinusitis
  • otitis media
  • dental procedure/infection
  • meningitis
  • recent head and neck surgery or neurosurgery
  • congenital heart disease
  • endocarditis
  • diverticular disease
  • hereditary hemorrhagic telangiectasia or arteriovenous malformation
  • diabetes mellitus
  • HIV or immunocompromise
  • intravenous drug use
  • chronic granulomatous disease
  • hemodialysis
  • birth prematurity
  • cystic fibrosis
Detalhes completos

Investigações diagnósticas

Primeiras investigações a serem solicitadas

  • CBC
  • serum erythrocyte sedimentation rate (ESR)
  • serum CRP
  • serum PT, PTT, and INR
  • blood culture
  • MRI with contrast
  • CT head with and without contrast
  • ultrasound head (infants)
Detalhes completos

Investigações a serem consideradas

  • serum toxoplasma titer
  • magnetic resonance spectroscopy (MRS)
  • lumbar puncture (LP) with cerebrospinal fluid (CSF) analysis
  • CT chest, abdomen, and pelvis
  • bone scan
  • mammogram
Detalhes completos

Algoritmo de tratamento

Inicial

presumed brain abscess

AGUDA

suspected or confirmed bacterial etiology

confirmed fungal etiology

suspected or confirmed parasitic etiology

cryptogenic brain abscess

Colaboradores

Autores

Walter A. Hall, MD, MBA

Professor

Department of Neurosurgery

SUNY Upstate Medical University

Syracuse

NY

Declarações

WAH is an author of a number of references cited in this topic.

Agradecimentos

Dr Walter A. Hall would like to gratefully acknowledge Dr Peter D. Kim, a previous contributor to this topic. PDK declares that he has no competing interests.

Revisores

Stephen Haines, MD

Professor and Head

Department of Neurosurgery

University of Minnesota

Minneapolis

MN

Declarações

SH and WAH were colleagues on a faculty of the University of Minnesota between 1991 and 1997 and again between 2004 and 2006. They have coauthored articles on neurosurgical infection.

Sabrina Ravaglia, MD, PhD

Staff Physician

Department of Neurological Sciences

Institute of Neurology C. Mondino

Pavia

Italy

Declarações

SR declares that she has no competing interests.

Créditos aos pareceristas

Os tópicos do BMJ Best Practice são constantemente atualizados, seguindo os desenvolvimentos das evidências e das diretrizes. Os pareceristas aqui listados revisaram o conteúdo pelo menos uma vez durante a história do tópico.

Declarações

As afiliações e declarações dos pareceristas referem--se ao momento da revisão.

Referências

Nossas equipes internas de editoria e de evidências trabalham em conjunto com colaboradores internacionais especializados e pares revisores para garantir que forneçamos acesso às informações o mais clinicamente relevantes possível.

Principais artigos

Hall WA, Truwit CL. The surgical management of infections involving the cerebrum. Neurosurgery. 2008 Feb;62(2 suppl):519-30. Resumo

Brouwer MC, Coutinho JM, van de Beek D. Clinical characteristics and outcome of brain abscess: systematic review and meta-analysis. Neurology. 2014 Mar 4;82(9):806-13. Resumo

Goodkin HP, Harper MB, Pomeroy SL. Intracerebral abscess in children: historical trends at Children's Hospital Boston. Pediatrics. 2004 Jun;113(6):1765-70. Resumo

Expert Panel on Neurologic Imaging; Whitehead MT, Cardenas AM, et al. ACR Appropriateness Criteria® headache. J Am Coll Radiol. 2019 Nov;16(11s):S364-77.Texto completo  Resumo

American College of Radiology. ACR-ASNR-SPR practice parameter for the performance and interpretation of magnetic resonance spectroscopy of the central nervous system. 2019 [internet publication].Texto completo

Infection in Neurosurgery Working Party of the British Society for Antimicrobial Chemotherapy. The rational use of antibiotics in the treatment of brain abscess. Br J Neurosurg. 2000 Dec;14(6):525-30. Resumo

Mampalam TJ, Rosenblum ML. Trends in the management of bacterial brain abscesses: a review of 102 cases over 17 years. Neurosurgery. 1988 Oct;23(4):451-8. Resumo

Artigos de referência

Uma lista completa das fontes referenciadas neste tópico está disponível para os usuários com acesso total ao BMJ Best Practice.

O uso deste conteúdo está sujeito ao nosso aviso legal