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Related Concept Videos

Respiratory System Abnormal Finding II: Palpation and Auscultation01:31

Respiratory System Abnormal Finding II: Palpation and Auscultation

In assessing respiratory abnormalities, palpation and auscultation are critical tools for detecting and interpreting various pathophysiological changes. These techniques provide insight into underlying disorders by evaluating tactile sensations and sounds produced by the respiratory system.
Palpation Findings
During a respiratory assessment, palpation can reveal several vital abnormalities:
Larynx01:21

Larynx

The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids, corniculates, and...
Physical Assessment of the Respiratory Tract IV: Auscultation01:28

Physical Assessment of the Respiratory Tract IV: Auscultation

Auscultation is a crucial component of the physical assessment of the respiratory tract. It offers valuable insights into airflow through the bronchial tree and potential lung obstructions. This process involves careful listening to breath, voice, and adventitious sounds, which can reveal a wealth of information about a patient's respiratory health.
Breath Sounds
Breath sounds are categorized into vesicular, bronchovesicular, and bronchial.
Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques01:30

Cardiopulmonary Resuscitation V: Advanced Airway Management Techniques

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 interventions are...
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...
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...

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Related Experiment Video

Updated: Jul 16, 2026

Minimally Invasive Murine Laryngoscopy for Close&#45;Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:45

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

Vocal pathologies of difficult diagnosis.

Mónica Hernando1, Ignacio Cobeta, Antonio Lara

  • 1ENT Department, University Hospital Príncipe of Asturias, University of Alcala, Alcala de Henares, Madrid, Spain. monicahernandoc@hotmail.com

Journal of Voice : Official Journal of the Voice Foundation
|February 28, 2007
PubMed
Summary

This study reviewed difficult-to-diagnose vocal pathologies like vocal sulci and submucosal cysts. Stroboscopy proved effective for diagnosis and correlating findings with surgical evidence in these rare cases.

Related Experiment Videos

Last Updated: Jul 16, 2026

Minimally Invasive Murine Laryngoscopy for Close&#45;Up Imaging of Laryngeal Motion During Breathing and Swallowing
07:45

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

Published on: December 1, 2023

Area of Science:

  • Otolaryngology
  • Laryngology
  • Vocal Fold Pathology

Background:

  • Vocal sulci, submucosal cysts, pseudocysts, and mucosal bridges are challenging vocal fold pathologies.
  • Accurate diagnosis is crucial for effective treatment planning.

Purpose of the Study:

  • To determine the prevalence of these four difficult-to-diagnose vocal pathologies.
  • To analyze the correlation between stroboscopic findings and surgical outcomes.
  • To evaluate the diagnostic utility of stroboscopy for these conditions.

Main Methods:

  • Retrospective review of stroboscopies performed between 1993 and 2002.
  • Analysis of clinical and stroboscopic criteria for diagnosis.
  • Review of surgical notes for stroboscopic-surgical correlation (1999-2002).

Main Results:

  • These pathologies accounted for 4.5% of new cases (189/4206 stroboscopies).
  • Vocal sulci (48%) and submucosal cysts (42%) were most prevalent.
  • Stroboscopic-surgical correlation was high: 69% for sulci, 78% for cysts, 100% for pseudocysts.

Conclusions:

  • Stroboscopy is a valuable tool for diagnosing difficult vocal pathologies.
  • High diagnostic accuracy of stroboscopy aids in surgical planning.
  • These pathologies represent a small but significant subset of benign vocal fold conditions.