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[Otomastoiditis caused by Aspergillus in AIDS]
A Martínez-Berriotxoa1, M Montejo, K Aguirrebengoa
1Unidad de Enfermedades Infecciosas, Hospital de Cruces, Barakaldo, Bizkaia.
Enfermedades Infecciosas Y Microbiologia Clinica
|April 1, 1997
Summary
Aspergillus otomastoiditis is a rare fungal infection in immunocompromised individuals, particularly those with acquired immunodeficiency syndrome (AIDS). Early diagnosis and aggressive treatment are crucial for better outcomes in these patients.
Area of Science:
- Infectious Diseases
- Otolaryngology
- Mycology
Background:
- Aspergillus otomastoiditis is an uncommon infection, primarily affecting immunocompromised individuals.
- While fungal infections are prevalent in patients with acquired immunodeficiency syndrome (AIDS), documented cases of Aspergillus otomastoiditis are scarce.
Observation:
- Two cases of Aspergillus otomastoiditis in AIDS patients are presented, with clinical presentations mimicking other otologic diseases.
- The infections were associated with profound immunosuppression, specifically within the C3 group.
Findings:
- Common symptoms include otorrhea, otalgia, hearing loss, and facial nerve paralysis.
- Radiological imaging (CT/MRI) is essential for assessing disease extent, including potential bone destruction and intracranial invasion.
- Diagnosis requires histopathological confirmation or fungal isolation, as Aspergillus can be a commensal organism in the external auditory canal. Concurrent infections can impede diagnosis.
Implications:
- Aggressive surgical debridement and systemic antifungal therapy (e.g., amphotericin B, itraconazole) are the primary treatment strategies.
- Poor outcomes are often linked to disease severity, delayed diagnosis, and challenges in surgical management of immunocompromised patients.
- In AIDS patients, a low CD4 cell count correlates with invasive Aspergillus infections and a poorer prognosis.