[MRI and Listeria monocytogenes rhombencephalitis]

Related Experiment Video

Updated: Nov 4, 2026

Listeria monocytogenes Infection of the Brain
05:02

Listeria monocytogenes Infection of the Brain

Published on: October 2, 2018

D Soulié1, P Meyer, M Raynaud

  • 1Service d'Imagerie Médicale, HIA du Val-de-Gráce, Paris.

Journal De Radiologie
|July 1, 1996
PubMed

Insights

Early diagnosis of rhombencephalitis, a brainstem inflammation, is challenging. Magnetic resonance (MR) imaging reveals characteristic findings like T2 hyperintensity and microabscesses, aiding in prompt identification of Listeria monocytogenes rhombencephalitis.

Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • Rhombencephalitis is a severe brainstem inflammation often difficult to diagnose using clinical and laboratory data alone.
  • Listeria monocytogenes is a pathogen that can cause rhombencephalitis.

Observation:

  • This study details the magnetic resonance (MR) imaging appearance in three cases of Listeria monocytogenes rhombencephalitis.
  • MR imaging findings were correlated with clinical information.

Findings:

  • Characteristic MR imaging findings include patchy T2-weighted hyperintensity in the medulla and cerebellar peduncles, often with a hypointense dot.
  • Numerous gadolinium-enhanced microabscesses within the rhombencephalon were observed.
  • MR imaging is crucial for the early diagnosis of rhombencephalitis.

Implications:

  • MR imaging is essential for the timely diagnosis of Listeria monocytogenes rhombencephalitis.
  • The described MR imaging features can significantly improve diagnostic accuracy.
  • MR imaging is also valuable for monitoring treatment response and disease progression.

More Related Videos

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla08:51

Magnetic Resonance Imaging of Multiple Sclerosis at 7.0 Tesla

Published on: February 19, 2021

Related Concept Videos

Magnetic Resonance Imaging01:24

Magnetic Resonance Imaging

Magnetic resonance imaging (MRI) is a noninvasive medical imaging technique based on a phenomenon of nuclear physics discovered in the 1930s, in which matter exposed to magnetic fields and radio waves was found to emit radio signals. In 1970, a physician and researcher named Raymond Damadian noticed that malignant (cancerous) tissue gave off different signals than normal body tissue. He applied for a patent for the first MRI scanning device in clinical use by the early 1980s. The early MRI...
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...
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...
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...
Imaging Studies for Cardiovascular System IV: CMRI01:21

Imaging Studies for Cardiovascular System IV: CMRI

Cardiovascular magnetic resonance imaging, or CMRI, is a non-invasive diagnostic test that employs a magnetic field and radiofrequency waves to create precise images of the heart and arteries. It provides comprehensive information about cardiac anatomy, function, perfusion, and tissue characterization without ionizing radiation.IndicationsCMRI diagnoses various heart conditions, including tissue damage from heart attacks, ischemic heart disease, myocarditis, aortic issues (tears, aneurysms,...
Bacterial Meningitis01:24

Bacterial Meningitis

Bacterial meningitis is a severe infectious disease involving inflammation of the meninges, the protective membranes surrounding the brain and spinal cord. It occurs when pathogenic bacteria cross the blood–brain barrier and enter the cerebrospinal fluid. Common causative organisms include Neisseria meningitidis, Streptococcus pneumoniae, Haemophilus influenzae type b, Listeria monocytogenes, and Escherichia coli K1. The exact route of entry varies by pathogen and host condition.Routes of Entry...