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Related Concept Videos

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...
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 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...
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...
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

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.
Latent tuberculosis infection occurs when TB bacteria are present in a person's body, but are not causing illness or symptoms. It is not contagious, and preventive treatment is crucial to avoid the progression...

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Related Experiment Video

Updated: Jun 21, 2026

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection
09:54

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection

Published on: February 16, 2020

[Primary extranodal ENT tuberculosis].

A El Ayoubi1, A Benhammou, F El Ayoubi

  • 1Service d'ORL et de chirurgie maxillofaciale, hôpital des spécialités, CHU de Rabat, 31, rue Immame El Ghazzali, Souissi, Rabat, Morocco. alineijou@hotmail.com

Annales D'Oto-Laryngologie Et De Chirurgie Cervico Faciale : Bulletin De La Societe D'Oto-Laryngologie Des Hopitaux De Paris
|August 7, 2009
PubMed
Summary
This summary is machine-generated.

Extranodal tuberculosis affecting the Ear, Nose, and Throat (ENT) region is rare but should be considered in endemic areas. Diagnosis often relies on histology, with treatment leading to good recovery.

Related Experiment Videos

Last Updated: Jun 21, 2026

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection
09:54

Synthesis, Characterization, and Application of Superparamagnetic Iron Oxide Nanoprobes for Extrapulmonary Tuberculosis Detection

Published on: February 16, 2020

Area of Science:

  • Otorhinolaryngology
  • Infectious Diseases
  • Pathology

Background:

  • Extranodal tuberculosis (TB) in the head and neck is uncommon, particularly in sinusonasal and upper aerodigestive tract locations.
  • This study investigates rare cervicofacial manifestations of tuberculosis.

Observation:

  • Eight cases of extranodal TB in the cervicofacial region were analyzed.
  • Affected sites included rhinopharynx, oral cavity (mandible, tongue), and glands (thyroid, parotid).

Findings:

  • Clinical and radiological signs are often non-specific, complicating early diagnosis.
  • Histopathology is crucial for definitive diagnosis, especially when caseum is absent.
  • Polymerase Chain Reaction (PCR) aids in rapid bacterial detection when cultures are negative.

Implications:

  • ENT tuberculosis, excluding nodal involvement, necessitates inclusion in differential diagnoses in endemic regions.
  • Prompt diagnosis and treatment lead to favorable outcomes with infrequent recurrences.
  • Histological confirmation is key for managing these rare presentations.