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Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...

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Intracranial Subarachnoidal Route of Infection for Investigating Roles of Streptococcus suis Biofilms in Meningitis in a Mouse Infection Model

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Infected intracranial meningiomas.

William B Lo¹, Julian Cahill¹, Martyn Carey²

¹Department of Neurosurgery, University Hospital, Coventry, United Kingdom.

World Neurosurgery

|August 7, 2013

Summary

Infection of brain tumors like meningiomas is rare. This case highlights how advanced imaging aids in diagnosing multiple infected meningiomas with abscesses, improving patient outcomes.

Keywords:

Diffusion-weighted imaging Infection Meningioma

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Area of Science:

Neurology
Infectious Diseases
Oncology

Background:

Intracranial meningiomas are tumors of the meninges.
Infection associated with meningiomas is exceptionally rare, with only six cases previously reported.
Diagnosing dual pathologies like meningioma and infection can be radiologically challenging.

Observation:

A 70-year-old woman presented with sepsis and hemiparesis after a urological procedure.
Magnetic resonance imaging revealed multiple intracranial lesions.
Diffusion-weighted imaging suggested cerebral metastases.

Findings:

Surgical excision confirmed atypical meningiomas with intratumoral abscesses caused by Escherichia coli.
The patient experienced a complete neurologic recovery.
Radiologic findings, though initially challenging, correlated with histologic examination.

Implications:

This is the first reported case of multiple infected intracranial meningiomas.
Diffusion-weighted imaging and apparent diffusion coefficient mapping can aid in diagnosing infected intracranial meningiomas in specific clinical scenarios.
Early and accurate diagnosis is crucial for effective management and patient recovery.