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Related Concept Videos

Pulmonary Tuberculosis II01:28

Pulmonary Tuberculosis II

211
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...
211
Pulmonary Tuberculosis IV01:26

Pulmonary Tuberculosis IV

133
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...
133
Pulmonary Tuberculosis I01:29

Pulmonary Tuberculosis I

220
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...
220
Pulmonary Tuberculosis III01:31

Pulmonary Tuberculosis III

303
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:
303
Other Pulmonary Disorders01:17

Other Pulmonary Disorders

801
Respiratory disorders encompass a range of conditions with varying levels of severity. Asthma, marked by chronic airway inflammation and hypersensitivity, is one such condition. It can lead to airway obstruction due to factors like bronchial spasms, mucosal edema, increased mucus secretion, or epithelial damage. Asthma triggers are diverse, ranging from allergens to emotional upset, and treatment focuses on both immediate relief through bronchodilators and long-term inflammation suppression.
801
Pulmonary Tuberculosis V01:28

Pulmonary Tuberculosis V

170
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...
170

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Updated: Jun 3, 2025

Analysis of 18FDG PET/CT Imaging as a Tool for Studying Mycobacterium tuberculosis Infection and Treatment in Non-human Primates
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Pulmonary tuberculosis presenting as a hilar mass.

Ananda Datta1, Raghavendrun Sivasankar2, Sonali Mallik2

  • 1Pulmonary Medicine, All India Institute of Medical Sciences Deoghar, Deoghar, Jharkhand, India 19.ananda.88@gmail.com.

BMJ Case Reports
|January 8, 2025
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Summary

Tuberculosis (TB) can mimic lung cancer with mass-like lesions. This case highlights an unusual presentation of pulmonary TB mimicking a hilar mass, successfully treated with standard therapy.

Keywords:
RadiologyTuberculosis

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Area of Science:

  • Pulmonology
  • Infectious Diseases
  • Radiology

Background:

  • Tuberculosis (TB) presents with diverse clinical and radiological manifestations.
  • Mass-like lesions on thoracic imaging can be misdiagnosed as lung malignancy.
  • Atypical presentations of pulmonary TB pose diagnostic challenges.

Observation:

  • A middle-aged male presented with cough, low-grade fever, and dyspnea.
  • Chest radiography revealed a right hilar mass.
  • CT scan showed right perihilar consolidation, mediastinal lymphadenopathy encasing vessels, and bronchial mucosal nodules.

Findings:

  • Histopathology indicated chronic inflammation and caseating epithelioid granulomas.
  • Nucleic acid amplification test confirmed *Mycobacterium tuberculosis* in lymph node aspirate.
  • The patient was diagnosed with pulmonary TB and responded to antituberculosis therapy.

Implications:

  • This case underscores the importance of considering TB in the differential diagnosis of hilar masses.
  • Uncommon radiological presentations of pulmonary TB require thorough investigation.
  • Early diagnosis and treatment of pulmonary TB are crucial for patient outcomes.