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Case Reports
. 2014;54(7):582-6.
doi: 10.2176/nmc.cr.2013-0092. Epub 2013 Dec 27.

The supposed intracavernous sinus arachnoid cyst with abducens neuropathy: a case report

Naoya Kidani  1 , Manabu Onishi, Kazuhiko Kurozumi, Isao Date
Affiliations
Case Reports

The supposed intracavernous sinus arachnoid cyst with abducens neuropathy: a case report

Naoya Kidani et al. Neurol Med Chir (Tokyo). 2014.

Abstract

Intracavernous sinus arachnoid cysts are rare intracranial congenital lesions. When present, their anatomic location frequently results in cranial nerve palsy. A 15-year-old boy was admitted to our hospital with diplopia, which had gradually worsened over the previous several months. An arachnoid cyst was identified within the right cavernous sinus and fenestration surgery was performed. The patient recovered well and three months after the surgery, diplopia was disappeared. Surgical decompression of the intracavernous sinus arachnoid cyst is beneficial for symptomatic patients with this condition.

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Conflict of interest statement

Conflicts of Interest Disclosure

The authors have no personal, financial, or institutional interest in any of the drugs, materials, or devices in the article. All authors who are members of The Japan Neurosurgical Society (JNS) have registered online Self-reported COI Disclosure Statement Forms through the website for JNS members.

Figures

Fig. 1.
Fig. 1.
Ophthalmological examinations before the surgery. Ophthalmological examinations revealed right-sided paresis of the abducens nerve.
Fig. 2.
Fig. 2.
Preoperative magnetic resonance imaging (MRI) images. Preoperative axial T1-weighted (A), axial T2-weighted (B) and coronal (C), diffusion-weighted (D) and enhanced T1-weighted MRI showed the lesion which had the same intensity as the surrounding subarachnoid space. The cyst wall was not enhanced. Heavy T2-weighted imaging (F) showed the pathway (arrow) of the cerebral fluid from pre-pontine cistern to the cyst.
Fig. 3.
Fig. 3.
Operative view. A: Intradural observation of the anterior aspect of the temporal fossa. 1: temporal bone, 2: lateral wall of the cavernous sinus, 3: dura of temporal lobe. B: The cyst wall was fenestrated. The abducens nerve (arrowhead) was detected in the cyst cavity. 4: Maxillary nerve (V2) at the lateral wall of the cavernous sinus.
Fig. 4.
Fig. 4.
Computer tomography after the surgery. It revealed that the cyst size was reduced.
Fig. 5.
Fig. 5.
Ophthalmological examinations after the surgery. On follow-up 3 months later, the right abducens palsy disappeared.
See this image and copyright information in PMC

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