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Pityrosporum isolate from the upper respiratory tract
American Journal of Clinical Pathology
|July 1, 1981
Summary
A patient developed maxillary sinus osteitis and a Pityrosporum yeast infection. This yeast was identified using electron microscopy after initial culture attempts failed.
Area of Science:
- Mycology
- Medical Microbiology
- Otolaryngology
Background:
- Maxillary sinus osteitis can occur following dental procedures.
- Persistent infections may involve unusual microorganisms.
Observation:
- A yeast-like organism was observed in nasal and sinus smears of a patient with chronic maxillary sinusitis.
- The organism was initially difficult to culture.
Findings:
- A lipophilic yeast, consistent with the genus Pityrosporum, was successfully isolated.
- Electron microscopy confirmed unique morphological features of the Pityrosporum isolate.
Implications:
- This case highlights Pityrosporum as a potential pathogen in chronic sinusitis.
- Advanced diagnostic techniques may be necessary for identifying fastidious fungi.