Related Experiment Video
Updated: Jun 15, 2026

04:34
Surgical Treatment of an Endolymphatic Sac Tumor
Published on: May 26, 2023
Atypical presentations of malignant otitis externa.
Z Vourexakis1, M-I Kos, J-P Guyot
1Department of Otolaryngology Head and Neck Surgery, University Hospital of Geneva, Switzerland. zkvourexakis@yahoo.com
The Journal of Laryngology and Otology
|March 3, 2010
Summary
Malignant otitis externa, a severe skull base infection, can present atypically. Recognizing diverse clinical signs and diagnostic criteria is crucial for timely intervention in these challenging cases.
Area of Science:
- Otolaryngology
- Infectious Diseases
- Skull Base Surgery
Background:
- Malignant otitis externa (MOE) is a severe, potentially life-threatening infection affecting the skull base.
- The typical presentation of MOE can be misleading, complicating early diagnosis.
- Pseudomonas aeruginosa is often implicated, particularly in diabetic patients, but this association is not universal.
Observation:
- This report details three cases of malignant otitis externa.
- The cases highlight the varied clinical manifestations encountered in MOE.
- Diagnostic challenges were evident across these diverse presentations.
Findings:
- Malignant otitis externa exhibits a wide spectrum of clinical signs.
- Diagnosis can be difficult due to atypical presentations.
- Relying solely on Pseudomonas aeruginosa and diabetes as indicators is insufficient.
Implications:
- Clinicians should consider MOE even with non-traditional symptoms.
- Establishing clear diagnostic criteria may aid in identifying atypical MOE cases.
- Prompt and accurate diagnosis is vital for managing this severe infection.
More Related Videos
Related Concept Videos
Atypical Pneumonia
Atypical pneumonia, often caused by Mycoplasma pneumoniae, is a form of pulmonary infection that differs from the classical presentation of bacterial pneumonia in both its cause and clinical symptoms. Mycoplasma pneumoniae is a pleomorphic bacterium notable for its lack of a rigid cell wall. This structural characteristic imparts resistance to beta-lactam antibiotics and significantly influences the bacterium’s behavior within the human host.Other pathogens responsible for the disease include...
Olfactory Receptors: Location and Structure
The process of olfaction, also known as the sense of smell, is a sophisticated chemical response system. The specialized sensory neurons that facilitate this process, known as olfactory receptor neurons, are situated in an upper segment of the nasal cavity, known as the olfactory epithelium. Olfactory sensory neurons are bipolar, with their dendrites extending from the epithelium's apex into the mucus that lines the nasal cavity. Airborne molecules, when inhaled, traverse the olfactory...
Tonsillitis I: Introduction
Tonsillitis is inflammation of the tonsils, which are two lymphoid tissue masses at the back of the throat. This condition can cause discomfort and irritation in the throat.
Etiology
Three primary contributing factors have been identified.
Etiology
Three primary contributing factors have been identified.
Bacterial Meningitis I: Introduction
Bacterial meningitis is a severe, life-threatening inflammation of the meninges, particularly the pia mater and arachnoid mater, affecting the subarachnoid space, ventricles, and cerebrospinal fluid (CSF). If untreated, it can lead to significant neurological complications or death.Causative AgentsCommon pathogens vary with age and immune status. In adults, major organisms include Streptococcus pneumoniae, Neisseria meningitidis, and Haemophilus influenzae. Streptococcus agalactiae (group B...
Brain Abscess l: Introduction
A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Endocarditis II: Clinical Features of Infective Endocarditis
Endocarditis can present various clinical features depending on the causative organism and the patient's underlying health conditions. Initially, the clinical features of infective endocarditis develop gradually, presenting with nonspecific symptoms that can be easily mistaken for other illnesses.General SymptomsEarly symptoms of infective endocarditis are fever, chills, weakness, malaise, fatigue, and weight loss. These symptoms reflect the systemic nature of the infection and the body's...

