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Related Concept Videos

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
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...
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.
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Related Experiment Video

Updated: Jun 27, 2026

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas
07:00

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas

Published on: February 28, 2019

[Epidemiological study in patients with nasal polyposis].

Adolfo Toledano Muñoz1, Carlos Herráiz Puchol, Cristina Navas Molinero

  • 1Unidad Otorrinolaringología, Fundación Hospital Alcorcón, Madrid, España. atoledano@fhalcorcon.es

Acta Otorrinolaringologica Espanola
|December 17, 2008
PubMed
Summary

Nasal polyposis predominantly affects middle-aged men and is often linked to asthma. A family history may also play a role in developing this condition.

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Last Updated: Jun 27, 2026

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas
07:00

Identification of OTX1 and OTX2 As Two Possible Molecular Markers for Sinonasal Carcinomas and Olfactory Neuroblastomas

Published on: February 28, 2019

Area of Science:

  • Otolaryngology
  • Epidemiology

Context:

  • Nasal polyposis is a common condition affecting the upper airway.
  • Understanding its epidemiological profile is crucial for diagnosis and management.

Purpose:

  • To investigate the epidemiologic characteristics of 165 patients diagnosed with nasal polyposis.
  • To identify key demographic, clinical, and familial factors associated with the condition.

Summary:

  • Nasal polyposis impacts men more frequently (63%) with a mean age of 46.5 years.
  • Asthma is a significant comorbidity, present in 36.6% of patients.
  • Common symptoms include nasal blockage (88%) and anosmia (78%).
  • Otological involvement affects 42% of patients, with 20% of first-degree relatives also affected.

Impact:

  • Highlights the strong association between nasal polyposis and asthma, necessitating screening.
  • Suggests a potential genetic predisposition in some cases.
  • Provides valuable data for clinicians managing nasal polyposis patients.