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Published on: January 17, 2018
Unilateral blindness secondary to acute sphenoid sinusitis
A Farboud1, A Trinidade, M Shakeel
1Royal Darwin Hospital, Darwin, Australia.
B-ENT
|May 14, 2011
Summary
A rare case of sinusitis led to unilateral blindness in an Aboriginal woman due to delayed diagnosis. Prompt treatment did not restore vision, emphasizing the critical nature of early intervention for optic nerve health.
Area of Science:
- Ophthalmology
- Infectious Diseases
- Neurology
Background:
- A 45-year-old Aboriginal woman with a history of non-Hodgkin's lymphoma presented with symptoms suggestive of a serious infection.
- The patient developed a severe headache, fever, and positive blood cultures, indicating a systemic inflammatory response.
Observation:
- Rapid onset of unilateral blindness occurred post-admission.
- High-resolution CT revealed bony erosion of the optic nerve canal, suggesting direct involvement by the sinus infection.
- Surgical intervention involved clearing the sphenoid sinus of pus and debris.
Findings:
- Despite surgical decompression and pus removal, vision was not restored in the affected eye.
- The patient's immunosuppression, likely due to non-Hodgkin's lymphoma treatment, may have contributed to the severity and progression of the sinusitis.
- Irreversible optic nerve ischemia is postulated as the cause of blindness, resulting from exposed optic nerve and subsequent infection.
Implications:
- This case underscores the importance of timely diagnosis and intervention in cases of sinusitis with neurological compromise.
- Delayed recognition of symptoms and subsequent treatment can lead to permanent vision loss, even with surgical management.
- The interplay between immunosuppression and infectious processes highlights the vulnerability of certain patient populations to severe complications.
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