Related Experiment Video
Updated: Dec 21, 2025

Author Spotlight: Advancing Allergic Rhinitis Research with Multicolor Immunofluorescence
Published on: September 22, 2023
Phenotypes of Chronic Rhinosinusitis
Seong H Cho1, Daniel L Hamilos2, Doo Hee Han3
1Division of Allergy-Immunology, Department of Internal Medicine, Morsani College of Medicine, University of South Florida, Tampa, Fla.
Chronic rhinosinusitis (CRS) is a complex disease with diverse phenotypes and endotypes. Understanding these endotypes is key to developing precise, personalized biologic treatments for CRS management.
Area of Science:
- Otolaryngology
- Immunology
- Pulmonology
Background:
- Chronic rhinosinusitis (CRS) is a heterogeneous inflammatory airway disease.
- Recent advances in understanding CRS endotypes have enabled targeted biologic therapies.
- Current CRS classification relies on phenotypes (e.g., with/without nasal polyps), which do not fully capture underlying endotypes.
Purpose of the Study:
- To review diagnostic approaches for various CRS phenotypes.
- To outline current treatment strategies for distinct CRS phenotypes.
- To emphasize the link between endotype understanding and personalized CRS treatment.
Main Methods:
- Literature review of diagnostic methods for CRS phenotypes.
- Synthesis of current therapeutic guidelines for CRS management.
- Analysis of the relationship between CRS endotypes and clinical presentation.
Main Results:
- CRS presents with diverse phenotypes including fungal, infectious, AERD, CF, pediatric, and systemic disease-associated forms.
- Biologic agents offer effective management for specific CRS endotypes.
- A phenotype-based classification, while simple, requires integration with endotype data for precision.
Conclusions:
- A deeper understanding of CRS endotypes is crucial for refining phenotype classification.
- Personalized treatment strategies based on endotype identification promise improved CRS management outcomes.
- Integrating diagnostic and therapeutic advances will lead to more scientific and precise patient care.
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,...
Anatomy of Respiratory System I: Upper Respiratory Tract
Nose and nasal cavity
The nose and nasal cavity represent the main external openings of the respiratory tract....
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Inflammation
Physical Assessment of the Respiratory Tract I: Health History
Subjective Data
Subjective data provides vital information about the patient's health history and symptoms. This data is typically collected through interviews in which patients describe their experiences, symptoms, and concerns.
Health history and...
Chronic Obstructive Pulmonary Disease-III: Symptoms and Complications.
Symptoms of COPD can be classified as primary or systemic. Primary symptoms relate to reduced airflow, while systemic or extrapulmonary symptoms relate to COPD's broader impact on the body.
Primary Symptoms of COPD:
Cystic Fibrosis: Pathogenesis
CF is primarily caused by a genetic mutation in a chromosome 7 gene coding for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. The most common gene mutation leading to CF is the ΔF508 mutation,...

