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[Infection transfer between the maxillary sinus and endocranium].

S Dazert1, R Mlynski, D Brors

  • 1Universitäts-HNO-Klinik Essen, Universität Duisburg-Essen. stefan.dazert@med.uni-essen.de

HNO
|May 13, 2004
PubMed
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Maxillary sinus infections can lead to brain abscesses through venous pathways, bypassing the skull base. This study details a case and the anatomical connections facilitating this spread.

Area of Science:

  • Neurology
  • Otolaryngology
  • Infectious Diseases

Background:

  • Rhinogenous brain abscesses typically arise from frontal sinusitis.
  • Maxillary sinus infections rarely cause brain abscesses but have distinct pathways for intracranial spread.

Observation:

  • A case of frontal brain abscesses originating from a maxillary sinus infection is presented.
  • Diagnostic and therapeutic approaches, along with pathophysiology, are discussed.

Findings:

  • The maxillary sinus venous plexus connects to the pterygoid plexus and cavernous sinus via the deep facial vein.
  • Venous connections through the orbit and angular vein also link the maxillary sinus to the cavernous sinus.
  • These maxillo-cerebral venous anastomoses explain infection spread to the brain's white matter.

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Implications:

  • Understanding these venous pathways is crucial for diagnosing and treating brain abscesses secondary to maxillary sinusitis.
  • Highlights the importance of considering dental and sinus infections as potential sources of intracranial pathology.