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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...
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 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...
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 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...

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Modeling Brain Metastasis by Internal Carotid Artery Injection of Cancer Cells
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Tuberculosis simulating brain tumour.

U R Chaudhry1, M Farooq, F Rauf

  • 1Department of Neuroradiology, Lahore General Hospital; Lahore, Pakistan - dr_umairch@yahoo.com, pprc@wol.net.pk.

The Neuroradiology Journal
|September 25, 2013
PubMed
Summary
This summary is machine-generated.

Tuberculosis (TB) of the brain can mimic brain tumors, presenting with headaches and seizures. Early diagnosis and treatment are crucial for managing this significant public health issue.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Radiology

Background:

  • Central nervous system (CNS) tuberculosis is a significant public health concern, particularly in endemic regions.
  • It often presents with non-specific symptoms, complicating early diagnosis.
  • Tuberculosis can manifest as meningitis, parenchymal granulomas, or abscesses within the brain.

Purpose of the Study:

  • To highlight the diverse clinical and radiological presentations of CNS tuberculosis that can simulate brain tumors.
  • To emphasize the importance of considering tuberculosis in the differential diagnosis of neurological conditions like epilepsy and chronic headaches.
  • To analyze the diagnostic approaches and outcomes in patients with brain tuberculosis.

Main Methods:

  • A study of 1200 patients (ages 10-60) presenting with neurological symptoms suggestive of brain tumors.
  • Diagnostic investigations included CT and MRI scans (with and without contrast), EEG, cerebral angiography, and spectroscopy.
  • Histopathological confirmation through biopsies (craniotomy, stereotactic, burr hole) was the gold standard for diagnosis.

Main Results:

  • Tuberculosis lesions in the brain showed characteristic findings on CT and MRI, often solitary but sometimes multiple.
  • Commonly affected sites included the cerebral hemisphere and basal ganglia in adults, and the cerebellum in children.
  • Despite advanced imaging, some cases required invasive neurointervention for definitive diagnosis.

Conclusions:

  • CNS tuberculosis presents variably and can mimic brain tumors, necessitating a high index of suspicion.
  • Headache and seizures are frequent presenting complaints, even without a prior history of tuberculosis.
  • Including tuberculosis in the differential diagnosis for unexplained neurological symptoms is critical for timely and effective management.