Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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.
Risk Factors
Various factors influence the likelihood of developing pneumonia. Age plays a crucial role, with infants, children under two, and individuals over 65 at increased risk due to their...
Pneumonia II: Pathophysiology01:29

Pneumonia II: Pathophysiology

The pathophysiology of pneumonia involves the following steps:
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...
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-II: Pathophysiology01:20

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Risk of hospitalisation and mortality among patients with interstitial lung disease and COVID-19: A French multicentre prospective cohort.

Pulmonology·2025
Same author

Tuberous sclerosis: a survey in the canton of Vaud, Switzerland.

Frontiers in medicine·2024
Same author

Lung function in adult patients with osteogenesis imperfecta: a cohort study.

Orphanet journal of rare diseases·2024
Same author

Phenotypes and outcome of diffuse pulmonary non-amyloid light chain deposition disease.

Respiratory research·2024
Same author

[Spontaneous pneumothorax: new concepts and current management].

Revue medicale suisse·2023
Same author

Probability of sporadic lymphangioleiomyomatosis in women presenting with spontaneous pneumothorax.

Orphanet journal of rare diseases·2023

Related Experiment Video

Updated: Jul 6, 2026

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
08:05

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia

Published on: December 19, 2020

[Cryptogenic and secondary organizing pneumonia].

Romain Lazor1

  • 1Service de pneumologie, BHHC, hôpital universitaire de Berne, 3010 Berne, Suisse. romain.lazor@insel.ch

La Revue Du Praticien
|March 7, 2008
PubMed
Summary

Organising pneumonia is an inflammatory lung condition with subacute symptoms like fever and cough. Most patients respond well to corticosteroid therapy, with relapses usually manageable.

Area of Science:

  • Pulmonology
  • Pathology

Context:

  • Organising pneumonia presents as an inflammatory and fibroproliferative lung reaction.
  • It can be idiopathic (cryptogenic organising pneumonia) or secondary to infections, drug toxicities, or connective tissue disorders.

Purpose:

  • To define the clinico-pathological syndrome of organising pneumonia.
  • To outline its causes, clinical presentation, diagnostic criteria, and treatment response.

Summary:

  • Characterized by subacute symptoms including fever, fatigue, weight loss, cough, dyspnea, crackles, and elevated inflammatory markers.
  • Imaging typically shows subpleural consolidations; bronchoalveolar lavage reveals mixed alveolitis; lung biopsy demonstrates connective tissue buds in alveoli.
  • Diagnosis relies on integrating clinical, imaging, and histopathological findings.

More Related Videos

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness
12:21

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness

Published on: September 28, 2022

Related Experiment Videos

Last Updated: Jul 6, 2026

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia
08:05

Lung CT Segmentation to Identify Consolidations and Ground Glass Areas for Quantitative Assesment of SARS-CoV Pneumonia

Published on: December 19, 2020

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness
12:21

A Mouse Model for the Transition of Streptococcus pneumoniae from Colonizer to Pathogen upon Viral Co-Infection Recapitulates Age-Exacerbated Illness

Published on: September 28, 2022

Impact:

  • Organising pneumonia is a treatable condition with corticosteroids, leading to good patient outcomes.
  • While relapses are common, they are generally controlled with prednisone and do not adversely affect the long-term prognosis.