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Related Concept Videos

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...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.01:25

Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.

Understanding the variety of primary symptoms and systemic complications that characterize chronic obstructive pulmonary disease (COPD) is crucial for healthcare professionals.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Atypical Pneumonia01:14

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...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
Pneumonia I: Introduction01:29

Pneumonia I: Introduction

Pneumonia is an infection of the lower respiratory tract that leads to inflammation of the lung parenchyma, often resulting in the accumulation of inflammatory exudate in the alveoli and airways. Unlike the watery, low-protein fluid exudate in pulmonary edema, the exudate in this case is a thick fluid rich in immune cells, proteins, and debris produced during infection and inflammation.This impairs gas exchange and can lead to consolidation of lung tissue. The infection may be caused by a...
Pneumonia I: Introduction01:30

Pneumonia I: Introduction

Pneumonia is an acute respiratory infection that targets the lungs, specifically the alveoli. These tiny air sacs, essential for oxygen exchange, become engorged with pus and fluid, severely hindering breathing, decreasing oxygen absorption, and causing significant pain and discomfort during respiration.
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Related Experiment Video

Updated: Jul 2, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
03:22

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Pyoderma gangrenosum with pulmonary involvement?

Ze-Hu Liu1, Xue-Lian Lu, Mei-Hua Fu

  • 1Institute of Dermatology, Chinese Academy of Medical Sciences & Peking Union Medical College, Nanjing, China.

European Journal of Dermatology : EJD
|August 12, 2008
PubMed
Summary
This summary is machine-generated.

Pyoderma gangrenosum, a rare skin condition, can affect the lungs. This case highlights successful treatment of a patient with pyoderma gangrenosum and pulmonary involvement using glucocorticosteroids.

Related Experiment Videos

Last Updated: Jul 2, 2026

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases
03:22

Microbiological Rapid On-Site Evaluation for Pulmonary Infectious Diseases

Published on: March 1, 2024

Area of Science:

  • Dermatology
  • Pulmonology
  • Internal Medicine

Background:

  • Pyoderma gangrenosum is a rare, noninfectious, ulcerative neutrophilic skin condition.
  • Diagnosis is challenging due to the lack of a specific diagnostic test.
  • Pulmonary involvement in pyoderma gangrenosum may be underreported.

Observation:

  • A 65-year-old man presented with a painful nodule and ulcer with exudates, indicative of classical pyoderma gangrenosum.
  • The patient also had monoclonal gammopathy, IgA type.
  • Pulmonary involvement was noted alongside the skin manifestations.

Findings:

  • The patient's skin ulcer and hemoptysis resolved within one month of treatment.
  • Glucocorticosteroids were effective in managing both the cutaneous and pulmonary symptoms.
  • Review of literature suggests pulmonary manifestations of PG may be more common than previously thought.

Implications:

  • This case underscores the importance of considering pulmonary involvement in pyoderma gangrenosum.
  • Early diagnosis and prompt treatment, including glucocorticosteroids, are crucial for managing both skin and lung symptoms.
  • Further research is warranted to better understand and report the pulmonary manifestations of pyoderma gangrenosum.