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Related Concept Videos

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
Chronic Obstructive Pulmonary Disease01:24

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-I: Introduction01:20

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.
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...
Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations01:19

Chronic Obstructive Pulmonary Disease IV: Clinical Manifestations

Chronic Obstructive Pulmonary Disease, or COPD, is a long-term condition marked by persistent and only partially reversible airflow limitation. It involves two overlapping conditions—chronic bronchitis and emphysema—which often co-appear but differ in dominant symptoms and underlying mechanisms.Chronic Bronchitis FeaturesChronic bronchitis presents with a persistent productive cough and thick, sometimes purulent mucus due to airway inflammation, enlarged mucus glands, and goblet cell...
Chronic Obstructive Pulmonary Disease I: Introduction01:23

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...

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

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Published on: November 4, 2010

Tracheobronchopathia osteochondroplastica. An underrecognized entity?

A Chroneou1, N Zias, A V Gonzalez

  • 1Department of Pulmonary and Critical Care Medicine, Lahey Clinic Medical Center, Burlington, Massachusetts 01805, USA. chronaiou@yahoo.gr

Monaldi Archives for Chest Disease = Archivio Monaldi Per Le Malattie Del Torace
|October 8, 2008
PubMed
Summary
This summary is machine-generated.

Tracheobronchopathia osteochondroplastica (TPO) is a rare airway disease causing cartilage and bone nodules in the trachea and bronchi. Diagnosis is typically via bronchoscopy, and while TPO is benign, effective treatments are limited.

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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
06:15

Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation

Published on: November 10, 2023

Area of Science:

  • Pulmonology
  • Rare Diseases

Background:

  • Tracheobronchopathia osteochondroplastica (TPO) is an idiopathic condition affecting the trachea and major bronchi.
  • It is characterized by submucosal osteocartilaginous nodules, which can be focal or diffuse, typically sparing the membranous airway wall.

Purpose of the Study:

  • To review the characteristics, diagnosis, and management of Tracheobronchopathia osteochondroplastica.
  • To highlight the diagnostic challenges and current therapeutic limitations for TPO.

Main Methods:

  • Literature review of TPO cases and clinical presentations.
  • Analysis of diagnostic methods, including bronchoscopy and histology.
  • Evaluation of current management strategies and interventional techniques.

Main Results:

  • TPO presents with non-specific symptoms like cough, dyspnea, and recurrent infections.
  • Diagnosis is primarily based on characteristic bronchoscopic findings, often not requiring biopsy.
  • Histology shows submucosal bone formation with intact respiratory epithelium.
  • TPO is a benign disorder with a generally favorable prognosis.

Conclusions:

  • Tracheobronchopathia osteochondroplastica is underdiagnosed due to low clinician awareness.
  • While TPO is benign, there are no established treatments to remove nodules or prevent growth.
  • Interventional bronchoscopy can relieve airway obstruction in symptomatic patients.