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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...
Acute Respiratory Failure-III01:30

Acute Respiratory Failure-III

Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without causing...
Acute Respiratory Failure-II01:21

Acute Respiratory Failure-II

Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
The underlying physiological abnormalities that contribute to hypoxemic respiratory failure include:
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
Anatomy of Respiratory System II: Lower Respiratory Tract01:31

Anatomy of Respiratory System II: Lower Respiratory Tract

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...
Other Pulmonary Disorders01:17

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.

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Related Experiment Video

Updated: Jul 3, 2026

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

Primary tracheal lymphoma causing respiratory failure.

Daniel S W Tan1, Philip C T Eng, Soon Thye Lim

  • 1Department of Medical Oncology, National Cancer Centre Singapore, Singapore. daniel.tan.s.w@nccs.com.sg

Journal of Thoracic Oncology : Official Publication of the International Association for the Study of Lung Cancer
|August 2, 2008
PubMed
Summary
This summary is machine-generated.

Tracheal non-Hodgkin lymphoma can mimic asthma, causing severe airway obstruction. Early diagnosis through high suspicion is key for effective treatment and remission of this rare condition.

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

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

  • Oncology
  • Pulmonology
  • Pathology

Background:

  • Lymphomatous involvement of the airway is a rare clinical presentation.
  • Tracheal tumors can cause significant respiratory distress, mimicking common respiratory conditions.

Observation:

  • A 24-year-old woman presented with stridor and near-fatal airway obstruction.
  • Initial diagnosis was asthma, but a tracheal Anaplastic Lymphoma Kinase (ALK)+ anaplastic T-cell lymphoma was identified.
  • The obstructing tumor was successfully removed via rigid bronchoscopy.

Findings:

  • Complete clinical remission was achieved after six cycles of Cyclophosphamide, Doxorubicin, Vincristine, Prednisolone (CHOP) chemotherapy.
  • This case highlights the successful management of a rare tracheal malignancy.

Implications:

  • A high index of suspicion for tracheal tumors is crucial in patients with refractory dyspnea and wheeze.
  • Early diagnosis and prompt intervention can lead to favorable outcomes in patients with tracheal lymphoma.
  • This case underscores the importance of considering rare diagnoses in unresponsive respiratory symptoms.