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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.

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic Obstructive Pulmonary Disease I: Introduction

Chronic obstructive pulmonary disease is a common, preventable, and treatable respiratory disorder characterized by persistent symptoms and progressive airflow limitation. This limitation results from a combination of small-airway disease (obstructive bronchiolitis) and parenchymal destruction (emphysema), both driven by chronic inflammation from exposure to harmful particles or gases.The disease includes two main pathological entities: emphysema, marked by destruction of alveolar walls and...

Chronic Obstructive Pulmonary Disease-I: Introduction

Chronic Obstructive Pulmonary Disease-I: Introduction

Chronic Obstructive Pulmonary Disease (COPD) is a long-lasting respiratory condition requiring continuous attention and care. It is a progressive lung disease that leads to breathing challenges due to airflow obstruction. It manifests as persistent respiratory symptoms and restricted airflow resulting from abnormalities in the airways and alveoli, usually due to long-term exposure to harmful particles or gases. COPD mainly consists of two primary conditions: emphysema and chronic bronchitis.

Pneumothorax-II

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:

Chronic Obstructive Pulmonary Disease

Chronic Obstructive Pulmonary Disease

COPD is defined as a heterogeneous lung condition marked by persistent respiratory symptoms such as dyspnea, cough, and sputum production, caused by abnormalities in the airways that cause airflow obstruction.
Smoking is a primary risk factor for COPD, with over 80% of patients having a history of it. Patients typically experience progressive dyspnea or labored breathing, frequent coughing, and recurrent pulmonary infections. Many eventually succumb to respiratory failure, characterized by...

Chronic Obstructive Pulmonary Disease-II: Pathophysiology

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

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Updated: Jun 5, 2026

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer

Published on: February 27, 2026

Occupational lung cancer.

Eduardo Algranti¹, José Tarcísio Penteado Buschinelli, Eduardo Mello De Capitani

¹Serviço de Medicina, Fundação Jorge Duprat Figueiredo de Segurança e Medicina do Trabalho, São Paulo, Brasil. eduardo@fundacentro.gov.br

Jornal Brasileiro De Pneumologia : Publicacao Oficial Da Sociedade Brasileira De Pneumologia E Tisilogia

|January 13, 2011

Summary

Occupational exposures significantly contribute to lung cancer development. Identifying workplace carcinogens requires thorough occupational history-taking for accurate diagnosis and prevention of occupational lung cancer.

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Last Updated: Jun 5, 2026

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer

Thoracoscopic Extended Right Middle Plus Lower Sleeve Lobectomy for Non-Small-Cell Lung Cancer

Published on: February 27, 2026

Area of Science:

Occupational Health
Environmental Epidemiology
Oncology

Background:

Lung cancer arises from complex interactions between hereditary, genetic, and environmental factors.
Smoking is the primary risk factor, but workplace carcinogen exposure is a significant contributor.
The International Agency for Research on Cancer classifies 19 agents/situations as Group 1 carcinogens linked to lung cancer.

Purpose of the Study:

To enumerate agents recognized as causes of lung cancer.
To examine the role of occupation in lung cancer development.
To review national studies and propose methods for investigating occupational lung cancer causality.

Main Methods:

Literature review of recognized lung cancer agents.
Analysis of occupational contributions to lung cancer etiology.
Synthesis of national study findings.
Development of procedural recommendations for causality investigation.

Main Results:

A list of 19 proven occupational carcinogens associated with lung cancer is identified.
Occupational history-taking is often insufficient, hindering the identification of occupational cancer cases.
National studies highlight the need for better investigation of workplace exposures.

Conclusions:

Thorough occupational history is crucial for diagnosing occupational lung cancer.
Systematic investigation is needed to link workplace exposures to lung cancer.
Standardized procedures are essential for accurate causality assessment in occupational lung cancer.