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Related Concept Videos

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,...
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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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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:
Tuberculosis01:23

Tuberculosis

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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Related Experiment Video

Updated: Jul 11, 2026

A Retrospective Study on Endoscopic Surgery for the Treatment of Paravertebral Abscess in Spinal Tuberculosis Patients
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Published on: October 25, 2024

Central nervous system tuberculous abscess.

William Goldstein1, Nimrod Maimon, Monica Avendaño

  • 1Tuberculosis Unit West Park Healthcare Center, University of Toronto, Ontario, Canada.

European Journal of Internal Medicine
|September 8, 2007
PubMed
Summary

Central nervous system tuberculosis (CNS TB) is rising globally, especially with increased immigration. This case highlights diagnostic challenges of cerebral TB in a migraine patient with no lung signs.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • Central nervous system tuberculosis (CNS TB) is uncommon in developed nations but a major cause of brain lesions in developing countries.
  • Global TB incidence and immigration trends suggest a potential rise in CNS TB cases in Western countries.
  • Diagnostic delays for CNS TB can occur, particularly in patients with pre-existing neurological conditions.

Purpose of the Study:

  • To report a case of cerebral tuberculosis in an immigrant patient.
  • To discuss the diagnostic complexities of CNS TB, especially when co-occurring with chronic migraine.
  • To emphasize the importance of considering CNS TB in at-risk populations.

Main Methods:

  • Case report presentation.
  • Review of patient's medical history, including immigration status and pre-existing conditions.
  • Analysis of diagnostic imaging, including chest CT scan findings.

Main Results:

  • A case of cerebral TB is presented in a patient two years post-immigration to Canada.
  • The patient had a history of chronic migraine, complicating the diagnosis.
  • No pulmonary TB was evident; chest CT showed only mediastinal lymphadenopathy.

Conclusions:

  • Cerebral TB should be considered in immigrants presenting with neurological symptoms, even without overt pulmonary disease.
  • Co-existing conditions like chronic migraine can mask or delay CNS TB diagnosis.
  • Increased vigilance and appropriate diagnostic workup are crucial for timely identification of CNS TB.