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Optic nerve cysticercosis in the optic canal
1Department of Ophthalmology, Batra Hospital and Medical Research Centre, New Delhi, India.
Acta Ophthalmologica Scandinavica
|March 10, 1999
Summary
This is the first reported case of cysticercosis within the optic canal, a rare parasitic infection affecting the optic nerve sheath. Surgical removal led to significant vision restoration in a young patient.
Area of Science:
- Ophthalmology
- Neurology
- Infectious Diseases
Background:
- Cysticercosis, a parasitic infection caused by the larval cysts of the tapeworm Taenia solium, is a significant cause of acquired epilepsy and neurological deficits.
- While neurocysticercosis is common, cysticercosis involving the optic nerve is rare, and its occurrence within the optic canal, beneath the optic nerve sheath, has not been previously documented.
Observation:
- A 15-year-old female presented with acute vision loss in her left eye, accompanied by headache and optic disc swelling (papillitis).
- Magnetic resonance imaging (MRI) identified a cystic lesion at the optic canal's entrance, compressing the optic nerve.
Findings:
- Surgical intervention via transcranial orbitotomy successfully removed the cyst after deroofing the optic canal.
- Histopathological examination confirmed the cyst to be cysticercus, the larval stage of Taenia solium.
Implications:
- This case highlights the potential for cysticercosis to manifest in unusual locations, such as the optic canal, posing diagnostic and surgical challenges.
- Early diagnosis and surgical management can lead to favorable visual outcomes, emphasizing the importance of considering parasitic infections in neuro-ophthalmological cases.