Cavernous malformation of the optic chiasm: case report

British Journal of Neurosurgery
Daisuke MutaJun-ichi Kuratsu

Abstract

We report a 14-year-old boy with cavernous malformation of the optic chiasm. He had a 2-year history of gradually worsening visual disturbance. Computed tomography (CT) and magnetic resonance imaging (MRI) revealed a suprasellar mass, findings compatible with craniopharyngioma. The mass was biopsied and histological examination confirmed cavernous malformation. On the second day after the biopsy, he suffered chiasmal apoplexy due to intratumoural haemorrhage, lost visual acuity and developed a field cut. Cavernous malformations arising from the optic nerve and chiasm are extremely rare; only 29 cases have been reported to date. Most patients manifested acute visual acuity and visual field disturbances. Although MRI findings of cavernous malformations in the brain parenchyma have been reported, MRI findings on the optic nerve and chiasm may not be completely diagnostic. Of the 29 documented patients, 16 underwent total resection of the lesion without exacerbation of their preoperative symptoms; in some cases, resection was complicated by risk of damage to the surrounding neural tissue. As patients may suffer intratumoural haemorrhage after biopsy or partial removal of the lesion, the advisability of surgical treatment of caverno...Continue Reading

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Citations

Nov 4, 2008·Skull Base : Official Journal of North American Skull Base Society ... [et Al.]·Matthew CrockerNick Thomas
Aug 16, 2012·European Journal of Medical Research·Xianbin NingJinlu Yu
Oct 20, 2009·Journal of Clinical Neuroscience : Official Journal of the Neurosurgical Society of Australasia·Matthew A HazzardEric M Horn
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May 6, 2016·The Neuroradiology Journal·Mirko TrentadueFrancesca Benedetta Pizzini
Dec 20, 2008·Journal of Korean Neurosurgical Society·Dong Wuk SonChang Hwa Choi
Apr 27, 2011·Journal of Korean Neurosurgical Society·Kwanag Wook JoIk Seong Park
Nov 7, 2018·Journal of Cerebrovascular and Endovascular Neurosurgery·Hye Seon KimWon-Sang Cho
Mar 25, 2020·Zhurnal voprosy neĭrokhirurgii imeni N. N. Burdenko·R S DzhindzhikhadzeE I Salyamova
Sep 19, 2019·Surgical Neurology International·Cesare ZoiaRenato J Galzio
Oct 21, 2020·World Neurosurgery·Gennadiy A KatsevmanCesar A Serrano

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