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Related Concept Videos

Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

Tuberculosis, more commonly referred to as TB, is an infectious disease stemming from Mycobacterium tuberculosis. While it primarily impacts the lungs, TB can also affect other body areas. Given its severity and global impact, timely and accurate diagnosis is crucial for controlling its spread and improving patient outcomes.
Several diagnostic approaches are used to detect TB. The conventional method is the Tuberculin Skin Test (TST), also known as the Mantoux test. However, this method has...
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,...
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

Tuberculosis (TB) is a contagious infection primarily affecting the lung parenchyma but which can also affect other body parts. TB can be classified based on disease development, presentation, and the affected anatomical site.
The first classification is based on the development of the disease, and it includes the following categories:
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...
Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

Tuberculosis, or TB, is a bacterial infectious disease caused by Mycobacterium tuberculosis. While its primary impact is on the lungs, leading to pulmonary tuberculosis, it can also affect various other organs, a condition referred to as extrapulmonary tuberculosis.
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Tuberculosis (TB) remains a significant global health concern, primarily targeting the lungs and spreading through airborne transmission. Infection begins when aerosolized droplet nuclei, expelled by an individual with active TB, are inhaled by another person. These microscopic particles carry Mycobacterium tuberculosis, the causative agent of TB. Upon reaching the alveoli, the bacilli are engulfed by alveolar macrophages. However, due to their specialized lipid-rich cell wall, these pathogens...

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Updated: Jul 6, 2026

Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence
10:06

Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence

Published on: February 26, 2018

[Imaging features of CNS tuberculosis].

S Semlali1, A El Kharras, M Mahi

  • 1Service d'Imagerie Médicale, Hôpital Militaire d'Instruction Mohamed V, Rabat, Morocco. semlali.siham2@caramail.com

Journal De Radiologie
|March 21, 2008
PubMed
Summary

Central nervous system (CNS) tuberculosis is common in endemic areas. Magnetic resonance imaging (MRI), including diffusion-weighted imaging and proton spectroscopy, is more sensitive than computed tomography (CT) for detecting CNS lesions.

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Last Updated: Jul 6, 2026

Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence
10:06

Imaging Mycobacterium tuberculosis in Mice with Reporter Enzyme Fluorescence

Published on: February 26, 2018

Area of Science:

  • Neurology
  • Radiology
  • Infectious Diseases

Background:

  • Central nervous system (CNS) tuberculosis is a significant health concern in regions where tuberculosis is endemic.
  • Accurate and timely diagnosis is crucial for effective management and improved patient outcomes.

Purpose of the Study:

  • To illustrate the characteristic imaging features of CNS tuberculosis.
  • To highlight the diagnostic utility of various neuroimaging modalities.

Main Methods:

  • Review of imaging findings in patients diagnosed with CNS tuberculosis.
  • Comparison of computed tomography (CT) and magnetic resonance imaging (MRI) characteristics.
  • Emphasis on advanced MRI techniques such as diffusion-weighted imaging (DWI) and proton spectroscopy (MRS).

Main Results:

  • Both CT and MRI are valuable tools for diagnosing CNS tuberculosis.
  • MRI, particularly with DWI and MRS, demonstrates higher sensitivity than CT for detecting specific tuberculous lesions.
  • Imaging findings can be non-specific but are crucial for diagnosis.

Conclusions:

  • Neuroimaging plays a pivotal role in the diagnosis of CNS tuberculosis.
  • Advanced MRI techniques offer enhanced sensitivity for lesion detection compared to conventional CT.
  • Radiologists must be familiar with the imaging spectrum of CNS tuberculosis for accurate diagnosis.