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Related Concept Videos

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...
Imaging Studies III: Computed Tomography01:27

Imaging Studies III: Computed Tomography

DefinitionComputed Tomography (CT) of the genitourinary (GU) tract is a non-invasive imaging modality that utilizes X-rays and computer processing to generate detailed cross-sectional images of the urinary system, encompassing the kidneys, ureters, bladder, and adjacent structures such as the adrenal glands.PurposeCT scans of the GU tract serve several diagnostic and therapeutic purposes, including:Diagnosis of Urinary Tract Diseases: Detects kidney stones, tumors, cysts, and congenital...
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...
Computed Tomography01:10

Computed Tomography

Tomography refers to imaging by sections. Computed tomography (CT) is a non-invasive imaging technique that uses computers to analyze several cross-sectional X-rays to reveal minute details about structures in the body.
The technique was invented in the 1970s and is based on the principle that as X-rays pass through the body, they are absorbed or reflected at different levels. In the technique, a patient lies on a motorized platform while a computerized axial tomography (CAT) scanner rotates...
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.
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration can...

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Optical Frequency Domain Imaging of Ex vivo Pulmonary Resection Specimens: Obtaining One to One Image to Histopathology Correlation
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Optical coherence tomography: imaging the larynx.

James A Burns1

  • 1Department of Surgery, Harvard Medical School, Center for Laryngeal Surgery and Voice Rehabilitation, Massachusetts General Hospital, Boston, Massachusetts, USA. burns.james@mgh.harvard.edu

Current Opinion in Otolaryngology & Head and Neck Surgery
|August 24, 2012
PubMed
Summary
This summary is machine-generated.

Optical coherence tomography (OCT) advances laryngeal imaging for vocal fold disorders. Polarization-sensitive OCT (PS-OCT) enhances lesion characterization and scar delineation, improving diagnosis and surgical guidance.

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Area of Science:

  • Otolaryngology
  • Biomedical Optics
  • Medical Imaging

Background:

  • Optical coherence tomography (OCT) is evolving for laryngeal imaging.
  • Understanding vocal fold microstructure is crucial for diagnosing and treating laryngeal disorders.
  • OCT provides detailed imaging of lesions and surrounding tissues.

Purpose of the Study:

  • To provide an update on current clinical and research applications of OCT in laryngeal disorders.
  • To highlight advancements in OCT for vocal fold imaging.
  • To discuss the role of OCT in diagnosis and treatment.

Main Methods:

  • Review of recent advancements in OCT technology for laryngeal imaging.
  • Adaptation of OCT for imaging moving vocal folds in real-time.
  • Application of polarization-sensitive OCT (PS-OCT) for tissue characterization.

Main Results:

  • OCT can now image moving vocal folds in real-time during procedures.
  • PS-OCT shows promise in differentiating benign and malignant lesions.
  • PS-OCT quantifies collagen in scar tissue and visualizes lesion extent in 3D.

Conclusions:

  • Precise imaging of vocal fold microstructure aids diagnosis and treatment of laryngeal disorders.
  • OCT techniques guide phonomicrosurgical interventions.
  • Advanced OCT imaging improves patient care for laryngeal conditions.