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Orbital cellulitis due to mucormycosis. A case report
K Kotzamanoglou1, G Tzanakakis, E Michalopoulos
1Department of Ophthalmology, University of Patras, Greece.
Summary
Orbital cellulitis from mucormycosis is rare, especially after cataract surgery. Early diagnosis is challenging, often leading to incorrect antibacterial treatment instead of combined antifungal and antibiotic therapy for immunocompromised patients.
Area of Science:
- Ophthalmology
- Mycology
- Infectious Diseases
Background:
- Mucormycosis is a rare, often fatal fungal infection.
- Orbital cellulitis is typically bacterial, making fungal causes difficult to diagnose.
- Systemic steroid use can increase susceptibility to opportunistic infections like mucormycosis.
Observation:
- A patient developed orbital cellulitis due to mucormycosis following cataract extraction and systemic steroid treatment.
- The patient's condition initially presented as a postoperative complication, mimicking common bacterial orbital cellulitis.
- Diagnosis was delayed due to the rarity of mucormycosis presenting as orbital cellulitis.
Findings:
- Histological examination is crucial for diagnosing mucormycosis, but it's not routine for orbital cellulitis.
- Misdiagnosis led to treatment with antibacterial agents alone, delaying appropriate antifungal therapy.
- The case highlights the diagnostic challenges of mucormycosis in the orbit.
Implications:
- Combined antibiotic and antifungal treatment is recommended for immunocompromised patients with suspected mucormycosis.
- Increased awareness and diagnostic vigilance are needed for fungal orbital infections.
- This case underscores the importance of considering rare pathogens in postoperative complications, especially in immunocompromised individuals.