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Related Concept Videos

Trachea01:22

Trachea

2.7K
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...
2.7K
The Bronchial Tree01:23

The Bronchial Tree

3.6K
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...
3.6K
Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

1.2K
A tracheostomy is a surgical procedure that creates an artificial opening into the trachea, typically at the second or third cartilaginous ring level. This opening allows the insertion of a tracheostomy tube, which can replace an endotracheal tube, provide mechanical ventilation, bypass an upper airway obstruction, or remove accumulated tracheobronchial secretions.
Tracheostomy tubes can be made of semiflexible plastic (polyurethane or silicone), rigid plastic, or metal, and they come in...
1.2K
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

1.6K
The lower respiratory tract is anatomically composed of several vital structures, including the larynx, trachea, bronchial tree, alveoli, lungs, and pleurae. Each component has a specific function, and all are intricately connected to ensure efficient respiration.
The Larynx
It is located between the pharynx and the trachea, acts as a passageway for air, and hosts several critical structures, such as the epiglottis, vocal cords, and glottis. The epiglottis acts as a gateway, guiding food to the...
1.6K
Tracheostomy Decannulation01:21

Tracheostomy Decannulation

391
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...
391
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

969
Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
969

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Related Experiment Video

Updated: Sep 12, 2025

Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease
09:10

Heterotopic and Orthotopic Tracheal Transplantation in Mice used as Models to Study the Development of Obliterative Airway Disease

Published on: January 20, 2010

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[Tracheal Tumours].

Florian Eichhorn1, Hans Hoffmann2, Stefan Rieken3

  • 1Abteilung für Thoraxchirurgie, Thoraxklinik-Heidelberg gGmbH, Heidelberg, Deutschland.

Laryngo- Rhino- Otologie
|August 5, 2025
PubMed
Summary
This summary is machine-generated.

Malignant primary tracheal tumors, though rare, include squamous cell carcinoma and adenoid cystic carcinoma. Treatment varies from surgical resection for limited disease to radiation and endoscopic interventions for advanced or palliative cases.

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Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
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Seeding and Implantation of a Biosynthetic Tissue-engineered Tracheal Graft in a Mouse Model
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Area of Science:

  • Respiratory medicine
  • Oncology
  • Thoracic surgery

Background:

  • Malignant primary tracheal tumors are uncommon neoplasms.
  • Squamous cell carcinoma and adenoid cystic carcinoma represent the most frequent histological subtypes.
  • These subtypes exhibit distinct prognoses and growth characteristics.

Purpose of the Study:

  • To review the diagnostic and therapeutic strategies for primary tracheal malignancies.
  • To highlight the differences in management between common tracheal tumor subtypes.

Main Methods:

  • Diagnostic evaluation involves tracheobronchoscopy and thoracic sectional imaging for staging.
  • Treatment options encompass complete surgical resection, radiation therapy, and interventional endoscopy.

Main Results:

  • Complete surgical resection is the preferred treatment for localized disease without metastases.
  • Incomplete resection followed by irradiation is a viable option for adenoid cystic carcinoma.
  • Interventional endoscopy (debulking, stenting) and mediastinal radiotherapy serve as alternatives for locally advanced or palliative scenarios.

Conclusions:

  • Effective management of tracheal tumors requires accurate diagnosis, staging, and subtype-specific treatment planning.
  • A multimodal approach combining surgery, radiation, and endoscopy can address various stages of tracheal malignancies.