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Related Concept Videos

Trachea01:22

Trachea

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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...
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Metastasis02:30

Metastasis

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Metastasis is the spread of cancer cells from the original site to distant locations in the body. Cancer cells can spread via blood vessels (hematogenous) as well as lymph vessels in the body.
Epithelial-to-Mesenchymal Transition
The epithelial-to-mesenchymal transition or EMT is a developmental process commonly observed in wound healing, embryogenesis, and cancer metastasis. EMT is induced by transforming growth factor-beta (TGF-β) or receptor tyrosine kinase (RTK) ligands, which further...
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Tracheostomy Decannulation01:21

Tracheostomy Decannulation

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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...
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Tracheostomy: Procedure and Tubes01:28

Tracheostomy: Procedure and Tubes

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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...
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Endotracheal Intubation I: Procedure01:15

Endotracheal Intubation I: Procedure

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Endotracheal or ET intubation is a critical medical procedure used to secure a patient's airway, often in acute respiratory distress, apnea, upper airway obstruction, ineffective clearance of secretions, high risk for aspiration, or during general anesthesia.
The ET tube comprises various components, including a standard adaptor to attach a bag-valve-mask (BVM) or ventilator, a cuff, a pilot balloon, and radiopaque markings along its length to measure the insertion distance. The tube sizes...
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Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

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Airway management is essential in emergency and surgical medicine, ensuring ventilation and oxygenation in patients who cannot maintain their own airway. Clinicians use a range of techniques and devices to secure the airway, depending on the patient’s condition and the clinical context. Key methods include endotracheal intubation, rapid sequence intubation (RSI), supraglottic airway devices, and advanced visualization aids. In cases where these approaches fail, surgical airway...
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Endotracheal Metastasis Causing Airway Obstruction.

Yudai Yano1, Takashi Fujiwara2, Masanobu Mizuta2

  • 1Kurashiki Central Hospital, Department of Emergency and Critical Care Center, Okayama, Japan.

Clinical Practice and Cases in Emergency Medicine
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Endotracheal metastasis, a rare lung cancer complication, can cause severe airway obstruction. Prompt diagnosis and surgical removal are crucial for managing this critical condition in cancer patients.

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Area of Science:

  • Oncology
  • Respiratory Medicine
  • Surgical Pathology

Background:

  • Endotracheal metastasis is an exceptionally rare complication of primary lung cancer.
  • It can lead to significant airway compromise and respiratory distress.

Purpose of the Study:

  • To report a rare case of endotracheal metastasis from lung cancer.
  • To highlight the importance of considering this diagnosis in cancer patients with respiratory symptoms.

Main Methods:

  • A 73-year-old female patient with a history of lung cancer presented with dyspnea.
  • Diagnostic imaging included chest computed tomography and nasopharyngolaryngoscopy.
  • The endotracheal mass was surgically removed via median laryngotomy following an emergency tracheostomy.

Main Results:

  • An endotracheal mass was identified, causing near-complete tracheal obstruction.
  • Histopathological examination confirmed the mass as recurrent lung cancer metastasis.
  • The patient underwent emergency tracheostomy and subsequent surgical resection.

Conclusions:

  • Endotracheal metastasis, though rare, is a critical complication of lung cancer.
  • Clinicians must include endotracheal metastasis in the differential diagnosis for cancer patients presenting with respiratory symptoms.
  • Timely intervention, including airway management and surgical removal, is essential.