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Pulmonary Tuberculosis IV01:26

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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.
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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.
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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.
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German physicist Wilhelm Röntgen (1845–1923) was experimenting with electrical current when he discovered that a mysterious and invisible "ray" would pass through his flesh but leave an outline of his bones on a screen coated with a metal compound. In 1895, Röntgen made the first durable record of the internal parts of a living human: an "X-ray" image (as it came to be called) of his wife’s hand. Scientists worldwide quickly began their own experiments with...
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Imaging in tuberculosis.

Evangelia Skoura1, Alimuddin Zumla2, Jamshed Bomanji1

  • 1Institute of Nuclear Medicine, University College Hospitals NHS Trust, London NW1 2BU, UK.

International Journal of Infectious Diseases : IJID : Official Publication of the International Society for Infectious Diseases
|March 27, 2015
PubMed
Summary

Early diagnosis of tuberculosis (TB) is crucial. Advanced imaging like CT and PET/CT offers superior detection of pulmonary and extrapulmonary TB, guiding effective treatment strategies and monitoring response.

Keywords:
Computed tomographyExtrapulmonary tuberculosisFluorodeoxyglucoseMagnetic resonance imagingPositron emission tomographyPulmonary tuberculosis

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Area of Science:

  • Radiology
  • Nuclear Medicine
  • Infectious Diseases

Background:

  • Early diagnosis of tuberculosis (TB) is essential for effective treatment and patient outcomes.
  • Pulmonary TB diagnosis relies on chest radiography and computed tomography (CT), with CT showing higher sensitivity for lymphadenopathy and bronchogenic spread.
  • Extrapulmonary TB diagnosis can be challenging, necessitating diverse imaging modalities.

Purpose of the Study:

  • To review the role of various imaging modalities in the diagnosis and assessment of tuberculosis.
  • To compare the efficacy of radiography, CT, MRI, and PET/CT in different forms of TB.
  • To highlight the potential of advanced imaging in evaluating treatment response.

Main Methods:

  • Review of current literature on imaging techniques for tuberculosis diagnosis.
  • Comparison of sensitivity and specificity of radiography, CT, MRI, and (18)F-fluorodeoxyglucose positron emission tomography/CT ((18)F-FDG PET/CT) for different TB presentations.
  • Discussion of the strengths and limitations of each modality in diagnosing pulmonary, extrapulmonary, and central nervous system TB.

Main Results:

  • CT is more sensitive than radiography for detecting lymphadenopathy in primary pulmonary TB and bronchogenic spread in post-primary TB.
  • (18)F-FDG PET/CT shows promise for characterizing active infection and assessing treatment response.
  • MRI is preferred for tuberculous spondylitis and central nervous system TB, while CT excels in evaluating abdominal lymph nodes.

Conclusions:

  • Advanced imaging modalities like CT, MRI, and PET/CT significantly enhance the diagnosis and assessment of various forms of tuberculosis.
  • (18)F-FDG PET/CT holds potential for monitoring treatment efficacy due to its ability to detect metabolic changes.
  • The choice of imaging modality should be tailored to the suspected site and type of TB infection.