Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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.
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...
Cranial Bones: Lateral View01:27

Cranial Bones: Lateral View

The lateral view of the cranium is dominated by temporal, sphenoid, and ethmoid bones.
The temporal bone forms the lower lateral side of the skull. The temporal bone is subdivided into several regions. The flattened upper portion is the squamous portion of the temporal bone. Below this area and projecting anteriorly is the zygomatic process of the temporal bone, which forms the posterior portion of the zygomatic arch. Posteriorly is the mastoid portion of the temporal bone. Projecting...
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...
Hypersensitivity Reactions: Immune-Complex Reactions01:19

Hypersensitivity Reactions: Immune-Complex Reactions

Type III hypersensitivity reactions occur when antigen–antibody complexes form and activate the complement system. Normally, these complexes help the clearance of antigens by phagocytes and red blood cells. However, when large numbers of immune complexes are present, they can deposit in tissues—particularly in the walls of blood vessels—leading to inflammation and tissue injury. These deposits trigger complement activation and neutrophil recruitment, resulting in serum sickness, a systemic...
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Sleep apnoea-hypopnoea syndrome in the obese and non-obese: Clinical, polysomnographical and clinical characteristics.

Anales de pediatria·2021
Same author

[Retropharyngeal liposarcoma: apropos of a case of apnoeas and hypopnoea during sleep].

Acta otorrinolaringologica espanola·2009
Same author

[Reliability of respiratory polygraphy for the diagnosis of sleep apnea-hypopnea syndrome in children].

Archivos de bronconeumologia·2008
Same journal

Exercise-Induced Laryngeal Obstruction (EILO) and factors modifying laryngeal function in the population of Polish athletes.

Acta otorrinolaringologica espanola·2026
Same journal

Carolyn's Window as a targeted alternative to Draf IIa in isolated anterior frontal recess obstruction.

Acta otorrinolaringologica espanola·2026
Same journal

Persistent Shoulder Dysfunction After Spinal Accessory Nerve-Preserving Neck Dissection: A Prospective Functional and Neurophysiologic Study.

Acta otorrinolaringologica espanola·2026
Same journal

Transoral Laser Microsurgery for Early Glottic Carcinoma: Laryngeal Preservation and Long-term Oncological Outcomes in 161 Patients.

Acta otorrinolaringologica espanola·2026
Same journal

A Case of Langerhans Cell Histiocytosis Masquerading as Benign Pediatric Head and Neck Lesions: A Diagnostic Pitfall.

Acta otorrinolaringologica espanola·2026
Same journal

Cochlear Implantation in a Child with Biallelic RDX Variant (DFNB24): Long-Term Auditory Outcome.

Acta otorrinolaringologica espanola·2026
See all related articles

Related Experiment Video

Updated: Jun 13, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

[Rhinoscleroma].

Ana Isabel Navazo Eguía1, Fernando García Vicario

  • 1Servicio de Otorrinolaringología, Hospital General Yagüe, Burgos, España. navazoeguia@telefonica.net

Acta Otorrinolaringologica Espanola
|April 20, 2010
PubMed
Summary
This summary is machine-generated.

Rhinoescleroma, a chronic granuloma caused by Klebsiella rhinoscleromatis, primarily affects the nose and airways. Increased migration may be raising its incidence in previously unaffected regions like Spain.

More Related Videos

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
06:08

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

Published on: September 22, 2023

A Rat Model of Compound Acne
03:10

A Rat Model of Compound Acne

Published on: November 1, 2024

Related Experiment Videos

Last Updated: Jun 13, 2026

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia
06:15

Anterior High-Resolution Optical Coherence Tomography in the Diagnosis and Therapeutic Monitoring of Ocular Surface Squamous Neoplasia

Published on: August 9, 2024

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay
06:08

Immunofluorescent Labeling in Nasal Mucosa Tissue Sections of Allergic Rhinitis Rats via Multicolor Immunoassay

Published on: September 22, 2023

A Rat Model of Compound Acne
03:10

A Rat Model of Compound Acne

Published on: November 1, 2024

Area of Science:

  • Infectious diseases
  • Otolaryngology
  • Microbiology

Background:

  • Rhinoescleroma is a chronic infectious granuloma caused by Klebsiella rhinoscleromatis.
  • It characteristically involves the nose, often extending to other airway structures.
  • The disease is endemic in specific global regions including Africa, Asia, and the Americas.

Observation:

  • Historically infrequent in Spain, rhinoscleroma incidence may be increasing due to migration patterns.
  • Diagnosis relies on identifying Klebsiella rhinoscleromatis in nasal exudates or biopsies.
  • Key differential diagnoses include syphilis, midline granuloma, and malignancy.

Findings:

  • Klebsiella rhinoscleromatis is the causative agent of rhinoescleroma.
  • Nasal and airway involvement is typical.
  • Geographic distribution and migration influence prevalence.

Implications:

  • Increased vigilance for rhinoescleroma is warranted in regions with rising immigration.
  • Accurate diagnosis through microbiological evidence is crucial.
  • Distinguishing rhinoescleroma from other granulomatous and malignant conditions is essential for effective management.