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Pulmonary Tuberculosis II

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 IV

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 III

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:

Other Pulmonary Disorders

Other Pulmonary Disorders

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.

Pulmonary Tuberculosis I

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...

Atypical Pneumonia

Atypical Pneumonia

Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...

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Related Experiment Videos

Aspergilloma lung mimicking tuberculosis.

Veena Maheshwari¹, Manoranjan Varshney, Kiran Alam

¹Pathology Department, J N Medical College, Aligarh Muslim University, Aligarh, Uttar Pradesh, India.

BMJ Case Reports

|June 15, 2012

Summary

A 50-year-old male with a history of pulmonary tuberculosis experienced hemoptysis. Radiological examination suggested a fungal ball, later confirmed as pulmonary aspergilloma post-surgery.

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Area of Science:

Pulmonology
Mycology
Surgical Pathology

Background:

Pulmonary tuberculosis (TB) is a significant risk factor for secondary fungal infections in the lungs.
Aspergilloma, a fungal ball, can develop in pre-existing lung cavities, often complicating conditions like TB.

Observation:

A 50-year-old male presented with hemoptysis, a key symptom of lung pathology.
The patient had a documented history of pulmonary tuberculosis, indicating prior lung damage.

Findings:

Radiological imaging suggested a fungal ball, prompting further investigation.
Histopathological examination of the resected lung lobe confirmed the diagnosis of pulmonary aspergilloma.

Implications:

This case highlights the importance of considering aspergilloma in patients with a history of pulmonary tuberculosis presenting with hemoptysis.
Surgical intervention remains a viable option for managing symptomatic pulmonary aspergilloma.
Accurate histopathological diagnosis is crucial for confirming fungal ball presence and guiding treatment.