SURGICAL VIDEO Surgical Resection of Cavernous Malformation of the Optic Nerve ∗ † Thomas J. Sorenson, BS ,JohnChen,MD,PhD , Anthony Burrows, ∗ ∗ MD , Giuseppe Lanzino, MD ∗ † Department of Neurologic Surgery, Mayo Clinic, Rochester, Minnesota; Department of Ophthalmology, Mayo Clinic, Rochester, Minnesota Cavernous malformations of the optic nerve/chiasm are uncommon vascular lesions that can present with acute or progressive impairment of vision usually associated with hemor- rhagic events. In cases with acute hemorrhage, prompt resection Watch now at https://academic.oup.com/ons/article-lookup/doi/10.1093/ons/ and decompression of the optic apparatus can result in functional opx125 improvement. In this video, the authors illustrate a case of a patient with a cavernous malformation of the optic nerve accessed and resected through a left lateral supraorbital craniotomy after presenting with recurrent hemorrhage and profound visual loss. COMMENT The patient experienced immediate improvement in his visual acuity, and there was no clinical recurrence of the cavernous he authors have provided an excellent description of a very rare malformation at 3-yr follow-up. T manifestation of a common pathology. The clear audio and visual Informed consent was obtained for the procedure illustrated. descriptions demonstrate the surgical technique with successful removal However, neither institutional review board approval nor patient of the lesion, leading to improvement in the patient’s condition without consent is required per institutional policy for retrospective, single recurrence. cases in which no identifiable patient information is shared. Disclosure Richard W. Byrne The authors have no personal, financial, or institutional interest in any of the Chicago, Illinois drugs, materials, or devices described in this article. 314 | VOLUME 14 | NUMBER 3 | MARCH 2018 www.operativeneurosurgery-online.com Downloaded from https://academic.oup.com/ons/article-abstract/14/3/314/4035798 by Ed 'DeepDyve' Gillespie user on 16 March 2018
Operative Neurosurgery – Oxford University Press
Published: Mar 1, 2018
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