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Updated: Aug 22, 2026

Intracranial Subarachnoidal Route of Infection for Investigating Roles of Streptococcus suis Biofilms in Meningitis in a Mouse Infection Model
Published on: July 1, 2018
[Pathomorphology of meningitis caused by Haemophilus infection in children]
Abstract:
Pathomorphological study of the brain of 14 children who died of Hemophilus bacillus infection shows that this disease is characterized by damage to microvessels with formation of microthrombi followed by development of necrosis foci in the brain matter. The maximal damage of the vessels was observed during two first days of the disease in the pia mater and foci of microinfarction were located in the subpial cortex zone only. With the disease progress microvessels of the brain cortex were affected and foci of damage blended together and were found in both cortex and white matter.
Insights
Hemophilus bacillus infection causes brain microvessel damage and microthrombi, leading to brain necrosis in children. Early stages show damage in the pia mater and subpial cortex, progressing to wider brain matter involvement.
Area of Science:
- Neuropathology
- Infectious Diseases
- Pediatric Pathology
Context:
- Study examines 14 children deceased from Hemophilus bacillus infection.
- Investigates the pathomorphological changes in the brain tissue.
Purpose:
- To elucidate the brain pathology associated with Hemophilus bacillus infection in children.
- To detail the progression of vascular damage and necrosis.
Summary:
- Hemophilus bacillus infection leads to microvessel damage and microthrombi formation in the brain.
- Early disease stages (first two days) show maximal damage in the pia mater, with microinfarction in the subpial cortex.
- As the infection progresses, cortical microvessels are affected, and necrotic foci spread to both the cortex and white matter.
Impact:
- Provides critical insights into the neuropathology of Hemophilus bacillus infections in pediatric cases.
- Highlights the progressive nature of vascular damage and brain necrosis, informing clinical understanding and potential interventions.
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Bacterial Meningitis I: Introduction
Bacterial Meningitis II: Pathophysiology
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