Related Experiment Video
Updated: Aug 31, 2025

Noninvasive Sampling of Mucosal Lining Fluid for the Quantification of In Vivo Upper Airway Immune-mediator Levels
Published on: August 7, 2017
Chronic and Recurrent Sinusitis in Children, as Manifestation of Immune Dysfunction and Atopic Background
Farn-Hsuan Tseng1, Marissa Newman2, Charles H Song1
1Harbor-University of California, Los Angeles, Torrance, CA 90509, USA.
Insights
Rhinosinusitis in children is classified by duration and cause, requiring tailored treatment. Accurate diagnosis involves clinical history, lab tests, and potentially endoscopy or imaging.
Area of Science:
- Pediatric Otolaryngology
- Infectious Diseases
Background:
- Rhinosinusitis is a common condition in children, presenting diagnostic and therapeutic challenges.
- Classification based on duration (acute, recurrent, chronic) and etiology (viral, bacterial, inflammatory) is crucial.
Purpose of the Study:
- To outline the classification of rhinosinusitis in children.
- To emphasize the importance of appropriate investigation and treatment.
Main Methods:
- Review of clinical history and physical examination findings.
- Consideration of laboratory tests.
- Inclusion of nasal endoscopy and imaging studies when indicated.
Main Results:
- Rhinosinusitis can be categorized by its temporal pattern and underlying cause.
- A systematic approach to diagnosis is essential for effective management.
Conclusions:
- Appropriate classification guides targeted treatment strategies for pediatric rhinosinusitis.
- Comprehensive evaluation ensures optimal patient outcomes.
Abstract:
Rhinosinusitis in children, as in adults, can be classified by duration (acute, recurrent, and chronic) and by cause (viral, bacterial, and inflammatory) and needs to be treated accordingly after careful investigation which include through clinical history, laboratory tests, and, if necessary, nasal endoscopy and imaging studies.
More Related Videos
Related Concept Videos
Chronic Pharyngitis
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,...
Tonsillitis I: Introduction
Etiology
Three primary contributing factors have been identified.
Asthma: Pathogenesis and Management
Asthma is classified as allergic and non-allergic. Allergens such as dust mites, pollen, and pet dander trigger allergic asthma, while factors like cold air, intense emotions, or exercise can induce non-allergic asthma.
Asthma-I: Introduction
Asthma-II: Pathophysiology and Classification
Additionally, environmental and genetic factors play crucial roles in determining an individual's susceptibility to asthma and the severity of their condition.
Critical processes in asthma pathophysiology include:
Acute Pharyngitis
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:

