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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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Pulmonary Tuberculosis I01:29

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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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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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Pulmonary Tuberculosis V01:28

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Medical management of tuberculosis (TB) patients involves a comprehensive approach that includes diagnosis, treatment, and monitoring. The specific strategies can vary depending on the type of tuberculosis (latent or active), the patient's overall health status, and other considerations.
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Bacterial Phylum Spirochaetes01:30

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Spirochetes, unique bacteria in the phylum Spirochaetes, are gram-negative, motile, tightly coiled, slender, and flexible. They inhabit aquatic sediments and animals, with some causing diseases like syphilis. Spirochetes are classified into eight genera based on habitat, pathogenicity, phylogeny, and characteristics.Their distinctive motility arises from endoflagella, located within the cell’s periplasm. These endoflagella anchor at the cell poles and extend along the cell length, encased...
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DNA Fingerprinting of Mycobacterium leprae Strains Using Variable Number Tandem Repeat VNTR - Fragment Length Analysis FLA
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Leprosy in a texan.

Garrett L Vick1, Erica A Tillman1, Katherine H Fiala1

  • 1Department of Dermatology, Baylor Scott and White Health, Temple, Texas.

Proceedings (Baylor University. Medical Center)
|April 2, 2015
PubMed
Summary

A Texas man developed a leprosy diagnosis after a two-year skin rash and progressive numbness in his extremities. Early diagnosis and treatment are crucial for managing this infectious disease.

Area of Science:

  • Dermatology
  • Infectious Diseases
  • Microbiology

Background:

  • Leprosy, a chronic infectious disease caused by Mycobacterium leprae, primarily affects the skin, peripheral nerves, and upper respiratory tract.
  • While historically associated with specific geographic regions, leprosy cases can occur globally, including within the United States.

Observation:

  • A 69-year-old male presented with a two-year history of a widespread, annular skin eruption on his trunk.
  • The patient reported progressive numbness in his hands and feet, indicative of peripheral neuropathy.
  • No other systemic symptoms or recent international travel history were reported.

Findings:

  • Skin biopsy confirmed the diagnosis of leprosy.
  • The clinical presentation, including the characteristic rash and neuropathy, aligned with leprosy.

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Implications:

  • This case highlights the importance of considering leprosy in the differential diagnosis of chronic skin conditions and neuropathies, even in non-endemic areas.
  • Prompt diagnosis and initiation of multidrug therapy are essential for preventing disease progression and potential disability.
  • Public health awareness and surveillance are necessary to identify and treat leprosy cases effectively within the United States.