Purpose: To report the case of a previously healthy young female who developed orbital cellulitis caused by Fusobacterium necrophorum. We are unaware of previous reports of this condition caused by the same anaerobic, gram-negative, nonsporeforming bacterium and could find no reference to it in a computer search using MEDLINE.
Methods: Case report.
Results: In the case of orbital cellulitis presented here, the patient required 3 sinus debridement operations and 30 days of intravenous antibiotics. Despite this, her vision did not fully recover.
Conclusion: F. necrophorum is capable of causing severe orbital disease that requires aggressive and prompt treatment to preserve sight.