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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

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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.
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...
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Defense Against Bacterial Pathogens01:31

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The human immune system is a complex network of cells, tissues, and organs that work together to defend the body against bacterial infections. It consists of various immune cells, each playing a specific role in the defense mechanism.
Phagocytes
Phagocytes are the frontline soldiers of the immune system. They include neutrophils and macrophages. Neutrophils are the most abundant type of white blood cell and are quickly mobilized to the site of infection. Macrophages are larger cells that patrol...
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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.
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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Pulmonary Tuberculosis III01:31

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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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Infection01:20

Infection

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When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
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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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Updated: Sep 27, 2025

Deciphering and Imaging Pathogenesis and Cording of Mycobacterium abscessus in Zebrafish Embryos
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A Case Report on Mycobacterium abscessus: An Emerging Pathogen.

Asad Chohan1, Saiara Choudhury1, Pahnwat T Taweesedt1

  • 1Department of Pulmonology, Corpus Christi Medical Center Bay Area, Corpus Christi, USA.

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|April 14, 2022
PubMed
Summary

Rapidly growing nontuberculous mycobacteria (NTM) infections are increasing. This case report highlights the diagnostic and treatment challenges of Mycobacterium abscessus complex (MABC) infections, emphasizing current guidelines.

Keywords:
disseminatedmycobacterium abscessusnontuberculous mycobacteriantmpulmonary and extrapulmonary disease

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Area of Science:

  • Microbiology
  • Infectious Diseases
  • Clinical Medicine

Background:

  • Nontuberculous mycobacteria (NTM) encompass over 190 species, causing diverse pulmonary and extrapulmonary infections.
  • The Mycobacterium abscessus complex (MABC) is a significant cause of drug-resistant mycobacterial infections, posing diagnostic and therapeutic challenges.

Observation:

  • A case of a 55-year-old female diagnosed with M. abscessus infection is presented.
  • The clinical course, diagnosis, and potential treatment strategies for this patient are explored.

Findings:

  • M. abscessus infections present diagnostic difficulties for clinicians.
  • Effective eradication of MABC infections requires careful consideration of treatment options.

Implications:

  • This case underscores the clinical hurdles in diagnosing M. abscessus promptly.
  • Treatment strategies should align with the latest clinical guidelines for MABC infections.