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Background:

Cavernomas arising in the region of the optic apparatus are extremely rare, accounting for< 1% of all the central nervous system cavernomas. Most patients are affected by acute visual disturbances related to hemorrhagic events. A prompt resection of the lesion together with a decompression of the optic apparatus may lead to a functional improvement. Almost all patients reported in literature were treated by means of a craniotomy, whereas only few papers described the use of a transnasal approach.

Case Description:

We report the case of a 53-year-old woman with a hemorrhagic, cavernous malformation of the optic chiasm region and we discuss the technical nuances of the endoscopic transnasal approach we employed. We also review literature for patients with cavernomas treated with a transsphenoidal approach. In our case, the patient underwent the gross-total resection of the lesion through a …