Related Experiment Video

Updated: May 7, 2026

Intracranial Subarachnoidal Route of Infection for Investigating Roles of Streptococcus suis Biofilms in Meningitis in a Mouse Infection Model
07:26

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

Published on: July 1, 2018

7.3K

Atypical Presentation Resembling Acute Leukoencephalopathy With Restricted Diffusion in Staphylococcus aureus

Jai Ranjan1, Arvinder Wander2, Navdeep Kaur3

  • 1Microbiology, All India Institute of Medical Sciences, Bathinda, Bathinda, IND.

Cureus
|March 7, 2024
PubMed

Insights

Staphylococcus aureus can cause meningoencephalitis, a rare brain and meninges inflammation. This case highlights its association with acute leukoencephalopathy with restricted diffusion (ALERD), a condition seldom reported.

Area of Science:

  • Neurology
  • Infectious Diseases

Background:

  • Meningoencephalitis involves brain and meninges inflammation, typically caused by common pathogens.
  • Staphylococcus aureus is a rare cause of meningoencephalitis, often seen post-surgery.

Observation:

  • A rare case of Staphylococcus aureus meningoencephalitis is presented.
  • The patient also exhibited acute leukoencephalopathy with restricted diffusion (ALERD), a condition with characteristic MRI findings.

Findings:

  • This report details a seldom-documented instance of S. aureus meningoencephalitis co-occurring with ALERD.
  • The "bright tree appearance" on MRI is a key diagnostic feature of ALERD.

Implications:

  • Increased physician awareness of this rare S. aureus meningoencephalitis and ALERD association is crucial.
  • Timely diagnosis and management are essential to prevent neurological sequelae.
Keywords:
alerdleukoencephalopathymeningoencephalitismrsastaphylococcus aureus

More Related Videos

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease04:23

A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease

Published on: April 28, 2019

6.6K
Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery10:03

Inducing Meningococcal Meningitis Serogroup C in Mice via Intracisternal Delivery

Published on: November 5, 2019

7.3K

Related Concept Videos

Atypical Pneumonia01:14

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Viral Meningitis01:18

Viral Meningitis

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...
Bacterial Meningitis I: Introduction01:22

Bacterial Meningitis I: Introduction

Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Bacterial Meningitis II: Pathophysiology01:26

Bacterial Meningitis II: Pathophysiology

Bacterial meningitis typically begins when pathogens such as Neisseria meningitidis and Streptococcus pneumoniae colonize the nasopharynx and invade the bloodstream. This process is facilitated by bacterial virulence factors, such as polysaccharide capsules, which resist phagocytosis and complement-mediated killing. Less commonly, bacteria reach the central nervous system via contiguous spread from infections like otitis media or sinusitis, through congenital or acquired dural defects, or...
Encephalitis l: Introduction01:19

Encephalitis l: Introduction

Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Brain Abscess l: Introduction01:26

Brain Abscess l: Introduction

A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...