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Related Concept Videos

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.
Here is a detailed explanation of its pathophysiology:
Transmission: The process begins when a person inhales droplet nuclei containing M. tuberculosis. These are typically released into the air when an individual with pulmonary or...
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:
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
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...
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...
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...

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Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Neurotuberculosis: an overview.

Murilo Gimenes Rodrigues1, Antônio José da Rocha, Marcelo Rodrigues Masruha

  • 1Department of Neurology and Neurosurgery, Federal University of São Paulo, São Paulo, Brazil.

Central Nervous System Agents in Medicinal Chemistry
|February 4, 2012
PubMed
Summary

Neurotuberculosis is a severe form of tuberculosis affecting the brain, posing diagnostic challenges due to nonspecific symptoms and slow bacterial detection. Early treatment initiation is crucial for better outcomes, even without a definitive diagnosis.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Public Health

Background:

  • Neurotuberculosis presents higher morbidity and mortality than pulmonary tuberculosis.
  • Diagnosis is challenging due to nonspecific symptoms, low bacillary load in cerebrospinal fluid (CSF), and slow culture results.
  • Prognosis is strongly linked to the stage of disease at treatment initiation.

Purpose of the Study:

  • To provide a comprehensive overview of current neurotuberculosis research.
  • To cover epidemiological, pathogenic, diagnostic, prognostic, and therapeutic aspects.
  • To highlight the importance of early treatment despite diagnostic uncertainties.

Main Methods:

  • Review of current literature on neurotuberculosis.
  • Analysis of epidemiological data, pathogenesis, and clinical presentations.
  • Evaluation of diagnostic methods, including neuroimaging, and therapeutic strategies.

Main Results:

  • Diagnosis relies heavily on clinical suspicion due to challenges in identifying Mycobacterium tuberculosis.
  • Neuroimaging plays a key role in diagnosis.
  • The WHO recommends extending standard pulmonary tuberculosis treatment durations for neurotuberculosis.

Conclusions:

  • Prompt initiation of treatment is vital for improving neurotuberculosis prognosis.
  • Despite diagnostic difficulties, treatment should not be delayed.
  • Further research is needed to refine diagnostic and therapeutic approaches for neurotuberculosis.