Abstract
Purulent meningitis (PM) is a diffuse acute purulent bacterial infectious disease of the pia mater and arachnoid and subarachnoid spaces [1, 2]. PM is one of the serious intracranial infections that often coexist with purulent encephalitis or brain abscess. Pathogenic bacteria can be found in the cerebrospinal fluid, the most common pathogenic organisms being S. meningitidis, S. pneumoniae, and H. influenzae, followed by S. aureus, Streptococcus, Escherichia coli, S. pyogenes, and P. aeruginosa. S. pneumoniae meningitidis most commonly affects children, but adults can also be infected. S. pneumoniae meningitis occurs in the elderly and in infants and children. B. influenzae meningitis occurs in young children under the age of 6. Escherichia coli is the most common causative agent of neonatal meningitis. Staphylococcus aureus and Pseudomonas aeruginosa meningitis are often secondary to lumbar puncture and neurosurgery. Patients often present with acute infection, symptoms of intracranial hypertension, and focal brain symptoms. In the acute encephalitis stage, patients have fever, headache, vomiting, and elevated blood leukocyte counts. In the brain abscess formation stage, patients have increased intracranial pressure, headache, and optic disc edema. The detection of relevant pathogens in the cerebrospinal fluid is used as a basis for the diagnosis of this disease.
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Liu, H. et al. (2023). Intracranial Purulent/Bacterial Infection. In: Li, H., Wang, J., Zhang, X. (eds) Radiology of Infectious and Inflammatory Diseases - Volume 1. Springer, Singapore. https://doi.org/10.1007/978-981-99-0039-8_11
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DOI: https://doi.org/10.1007/978-981-99-0039-8_11
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