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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...
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.
Pleural Disorders: Types and Brief Description01:30

Pleural Disorders: Types and Brief Description

The pleura is a vital part of the respiratory system. It's a double-layered membrane surrounding the lungs and lining the chest cavity. The two layers of the pleura are:
Pneumothorax-I01:26

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Pneumothorax-II01:27

Pneumothorax-II

Pneumothorax is a medical condition defined by the buildup of air in the pleural space between the lungs and the chest wall. This accumulation of air can lead to partial or complete lung collapse, resulting in a range of clinical manifestations. Understanding the clinical presentation and effective management strategies is crucial for healthcare professionals in providing timely and appropriate care to individuals with pneumothorax.
Clinical Manifestations:
Endoscopic Studies I: Bronchoscopy and Thoracoscopy01:30

Endoscopic Studies I: Bronchoscopy and Thoracoscopy

Endoscopy is a non-surgical medical technique used to examine a person's internal organs and vessels. This lesson will focus on two types of endoscopic studies: bronchoscopy and thoracoscopy.
Bronchoscopy
Description
Bronchoscopy is a procedure that involves direct visualization of the larynx, trachea, and bronchi for diagnostic and therapeutic purposes. A flexible fiber optic or rigid bronchoscope is used to carry out the procedure. The fiber-optic bronchoscope is more frequently used due to...

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Related Experiment Video

Updated: Jul 13, 2026

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice
07:54

Implantation and Monitoring by PET/CT of an Orthotopic Model of Human Pleural Mesothelioma in Athymic Mice

Published on: December 21, 2019

Thoracic surgical problems in asbestos-related disorders.

E A Gaensler, T C McLoud, C B Carrington

    The Annals of Thoracic Surgery
    |July 1, 1985
    PubMed
    Summary

    Many thoracic surgeries for asbestos exposure were unnecessary. Misdiagnosis of asbestos-related disorders like pleural plaques led to interventions that could be avoided with better occupational history and imaging review.

    Area of Science:

    • Pulmonary Medicine
    • Occupational Health
    • Thoracic Surgery

    Background:

    • Asbestos exposure is linked to various thoracic disorders.
    • Diagnostic challenges exist for asbestos-related conditions.
    • Surgical interventions are sometimes employed for diagnosis and treatment.

    Purpose of the Study:

    • To evaluate the necessity and outcomes of thoracic surgical procedures in patients with asbestos exposure.
    • To assess the diagnostic accuracy for asbestos-related lung diseases.
    • To determine the effectiveness of interventions for conditions like mesothelioma and pleural effusion.

    Main Methods:

    • Retrospective analysis of 1,577 individuals with asbestos exposure.
    • Review of thoracic surgical procedures, open-lung biopsies, and diagnostic thoracotomies.

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  • Correlation of clinical findings with occupational history and imaging.

    • Main Results:

    • 113 patients underwent thoracic surgery for asbestos-related disorders.
    • Open-lung biopsy revealed alternative diagnoses in 14 of 26 suspected asbestosis cases.
    • Chemotherapy was ineffective in half of mesothelioma patients; 15 with benign pleural effusion had surgery.
    • Hyaline plaques were often misdiagnosed as tumors, leading to unnecessary surgery in 24 patients.

    Conclusions:

    • Many surgical interventions for asbestos-related conditions may be avoidable.
    • Thorough occupational history and review of serial imaging are crucial for accurate diagnosis.
    • Diagnostic strategies should be refined to prevent unnecessary procedures.