Meningeóm pošiev zrakového nervu
Optic Nerve Sheath Meningioma

Summary/Abstract: Introduction: Optic nerve sheath meningioma is the second most common primary optic nerve tumor, that primary arises from the orbital portion of the optic nerve or in optic canal. The most common presenting symptom is a gradual decrease in visual acuity, occasionally it can be life-threatening hen extends intracranially. Observation is recommended in the most of the patiens form any years. Radiotherapy is the new treatment modality, which allows to preservevision. Enucleation is recommended hen meningioma extends intracranially and in patiens with blind and proptotic eyes. Material and methods: The case report of the patient with intracranially extending optic nerve sheath meningioma of the right eye. The patient underwent enucleation and partial orbital exenteration. Discussion: Our patient was the middle-aged woman, who are typice patiens with sporadically onset meningioma (without association with the neurofibromatosis type II). First presenting symptom in our patient was decreased visuala cuity, and the next symptom was proptosis. During eighty ears the tumor extended intracranially, and operation and radiotherapy was necessary. Follow-up of the patiens with meningioma is neceséry at least anually, with magnetic resonance imaging included. Conclusion: Despite histopathologically is optic nerve sheath meningioma benign tumor, it can be sight and ocassionally life-threatening. Regular ophthalmological follow-up is necessary, although the most patiens does not require treatment.

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