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Related Concept Videos

Trachea01:22

Trachea

The trachea, commonly known as the windpipe, is a vital part of the human respiratory system. It serves as a passageway for air to travel between the larynx and the bronchi, allowing oxygen to reach the lungs. Let's explore its anatomical features, dimensions, layers of the tracheal wall, associated muscles, and the functions of its parts.
Anatomical Features:
Location: About half of the trachea is situated in the neck, anterior to the esophagus, and extends from the larynx (at the level of the...
Esophageal Strictures-I: Introduction01:30

Esophageal Strictures-I: Introduction

Esophageal strictures involve abnormal narrowing or tightening of the esophagus. They vary in length and severity, ranging from mild constriction to complete obstruction, and are classified as benign (noncancerous) or malignant (cancerous).
Etiology
The primary cause of esophageal strictures is long-standing gastroesophageal reflux disease (GERD), accounting for about 70 to 80% of adult cases. Chronic acid reflux can lead to injury and scarring of the esophageal lining, culminating in...
The Bronchial Tree01:23

The Bronchial Tree

The human bronchi and bronchial tree play a crucial role in the respiratory system, facilitating the exchange of oxygen and carbon dioxide. Let's delve into the intricate structure and functions of these respiratory components.
The trachea, commonly known as the windpipe, is a tube that connects the larynx (voice box) to the bronchi. At a point called the carina, it bifurcates into two primary bronchi. The right primary bronchus is wider, shorter, and more vertical than the left primary...
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...
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
Description of the Procedure
Decannulation refers to the permanent removal of the tracheostomy tube, signaling the resolution of the condition that initially necessitated the tracheostomy. The process requires a well-coordinated interplay between...
Esophageal Strictures-II: Clinical Features and Management01:26

Esophageal Strictures-II: Clinical Features and Management

Patients with esophageal strictures often experience a range of symptoms. Initially, they may have difficulty swallowing solid foods, which can progress to include liquids. Additional symptoms may involve chest pain or discomfort, regurgitating food and fluids, heartburn, unintentional weight loss, coughing or choking during meals, and hoarseness.
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...

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Related Experiment Video

Updated: Jun 14, 2026

Design of a Biocompatible Drug-Eluting Tracheal Stent in Mice with Laryngotracheal Stenosis
08:26

Design of a Biocompatible Drug-Eluting Tracheal Stent in Mice with Laryngotracheal Stenosis

Published on: January 21, 2020

Nonneoplastic tracheal and bronchial stenoses.

Philippe A Grenier1, Catherine Beigelman-Aubry, Pierre-Yves Brillet

  • 1Hôpital Pitié-Salpêtrière, Assistance Publique-Hôpitaux de Paris, Universite Pierre et Marie Curie, Service de Radiologie Polyvalente, Diagnostique et Interventionnelle, 47/83 boulevard de l'Hôpital, 75651 Paris cedex 13, Paris, France. philippe.grenier@psl.aphp.fr

Thoracic Surgery Clinics
|April 10, 2010
PubMed
Summary

Multi-detector row CT (MDCT) is the preferred imaging method for diagnosing non-neoplastic airway stenoses. It accurately assesses stenosis extent and airway wall thickening, aiding diagnosis and treatment guidance.

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Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation

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Last Updated: Jun 14, 2026

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08:26

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Published on: January 21, 2020

Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation
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Murine Intrapulmonary Tracheal Transplantation: A Model for Investigating Obliterative Airway Disease After Lung Transplantation

Published on: November 10, 2023

Area of Science:

  • Radiology
  • Pulmonology
  • Medical Imaging

Background:

  • Non-neoplastic tracheal and bronchial stenoses require accurate diagnostic imaging.
  • Traditional imaging methods may have limitations in characterizing airway abnormalities.

Purpose of the Study:

  • To highlight the role of Multi-detector row CT (MDCT) in diagnosing non-neoplastic tracheal and bronchial stenoses.
  • To detail the advanced postprocessing techniques used with MDCT for airway assessment.

Main Methods:

  • Utilizing thin collimation in MDCT scans.
  • Applying postprocessing techniques: multiplanar reformations (MPR) and volume rendering (VR).
  • Specific VR techniques include virtual bronchoscopy and virtual bronchography.

Main Results:

  • MDCT provides accurate assessment of stenosis location and extent.
  • It effectively characterizes airway wall thickening, including presence, distribution, type, and calcification.
  • Integration of MDCT findings with mediastinal, hilar, and lung parenchyma data aids differential diagnosis.

Conclusions:

  • MDCT is the imaging modality of choice for non-neoplastic airway stenoses.
  • It aids in guiding surgical and interventional procedures.
  • MDCT is valuable for assessing treatment response.