They are in no way intended to constitute medical advise. For medical advise a physician must, of course, be consulted. Optic sheath meningioma. Vvhen intracranial extension became apparent, operation was recommended. Angiography is not needed.
Decisions regarding treatment are difficult when the patient still has useful vision.
Generally we have observed the patients with useful vision and also those with poor vision with the tumor confined to the orbit. The indications for surgery have been poor vision and intracranial extension or increasing orbital symptoms. Wiight et al. The radiographic appearance is so characteristic that a tissue diagnosis is not needed. The surgical approach is through a frontal-temporal craniotomy.