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Related Concept Videos

Nose and Nasal Cavity01:24

Nose and Nasal Cavity

The nose is composed of an observable exterior segment (external nose) and an internal segment within the skull known as the nasal cavity (internal nose). The external nose, visible on the face, consists of a framework of bone and hyaline cartilage enveloped in skin and muscle and lined with a mucous membrane. This structure is supported by the frontal bone, nasal bones, and maxillary bone and is supplemented by a cartilaginous framework comprising the septal nasal cartilage, lateral nasal...
Anatomy of Respiratory System I: Upper Respiratory Tract01:29

Anatomy of Respiratory System I: Upper Respiratory Tract

The upper respiratory tract plays a vital role in the respiratory system, comprising several structures that facilitate air intake and prepare air for the lungs. It also serves as the first line of defense against pathogens and particles. This tract includes the nose and nasal cavity, the oral cavity, the paranasal sinuses, and the pharynx, each with specific functions and features.
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract.
Epistaxis01:30

Epistaxis

Epistaxis, or nosebleeds, occurs when small, swollen blood vessels in the nasal mucous membrane rupture. Typically, the anterior septum is the primary site of occurrence.
Etiology
Possible causes of this condition include high blood pressure, trauma, low humidity, upper respiratory tract infections, allergies, foreign bodies, nasal inhalation of corticosteroids or illicit drugs, excessive use of decongestant nasal sprays, facial or nasal surgery, anatomic malformation, tumors, or systemic...
Suctioning the Nasopharyngeal Airway01:29

Suctioning the Nasopharyngeal Airway

Nasopharyngeal suctioning is a procedure to remove secretions from the upper part of the respiratory tract that the patient cannot clear independently. It helps maintain airway patency and prevents complications such as aspiration pneumonia.
Equipment Required
Chronic Pharyngitis01:23

Chronic Pharyngitis

Chronic pharyngitis refers to persistent inflammation of the pharyngial mucosa.
Etiology
It often arises from persistent viral or bacterial infections affecting sinuses and tonsils.
Additional contributing factors include inadequate dental hygiene, mouth breathing, recurring tonsillitis, allergic rhinitis, laryngopharyngeal reflux, and exposure to smoke, chemicals, and other environmental pollutants. Allergic reactions to pollen, mold, and pet dander, chronic cough, excessive voice usage,...
Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features01:24

Chronic Obstructive Pulmonary Disease III: Chronic Bronchitis Features

Chronic bronchitis is a key phenotype of chronic obstructive pulmonary disease (COPD), characterized by airway-centered inflammation and mucus overproduction. It develops from long-term exposure to harmful particles or gases, most commonly cigarette smoke, which triggers a persistent inflammatory response.Cellular and Structural ChangesInflammation initially affects the large bronchi and later the smaller airways, with infiltration by immune cells, including neutrophils, macrophages, and...

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Related Experiment Video

Updated: May 11, 2026

Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation
06:13

Endoscopic Septoplasty with Limited Two-line Resection: Minimally Invasive Surgery for Septal Deviation

Published on: June 20, 2018

Chapter 6: Nasal polyps.

Russell A Settipane1, Anju T Peters, Alexander G Chiu

  • 1Department of Medicine, Warren Alpert Medical School of Brown University Providence, Rhode Island, USA. russell_settipane@brown.edu

American Journal of Rhinology & Allergy
|May 29, 2013
PubMed
Summary
This summary is machine-generated.

Nasal polyps affect 1-4% of people, often linked to other diseases like chronic rhinosinusitis. While not curable, nasal polyp symptoms can be managed with intranasal corticosteroids and surgery if needed.

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Published on: September 22, 2023

Area of Science:

  • Otolaryngology
  • Immunology

Background:

  • Nasal polyps affect 1-4% of the population, frequently associated with underlying conditions.
  • Chronic rhinosinusitis (CRS) is the most common condition linked to nasal polyps.
  • Other associated conditions include allergic fungal rhinosinusitis, aspirin-exacerbated respiratory disease, Churg-Strauss syndrome, and cystic fibrosis.

Purpose of the Study:

  • To review the current understanding and management of nasal polyps.
  • To discuss associated conditions and treatment options for nasal polyposis.

Main Methods:

  • Literature review of existing medical evidence.
  • Analysis of treatment efficacy for nasal polyps in the context of CRS.

Main Results:

  • Nasal polyps in CRS are generally not curable but controllable.
  • Intranasal corticosteroids are recommended for maintenance therapy.
  • Short courses of oral corticosteroids are effective for exacerbations; antibiotic evidence is less robust.

Conclusions:

  • Management of nasal polyps focuses on control rather than cure.
  • Intranasal and oral corticosteroids are key medical treatments.
  • Functional endoscopic sinus surgery is an option for medically refractory cases.