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Yang and Ahn: A Case of Bilateral Visual Loss due to an Olfactory Groove Meningioma
Case Report
Journal of the Korean Ophthalmological Society

Journal of the Korean Ophthalmological Society 2012; 53(6): 906-909.

Published online: 16 June 2012

DOI: https://doi.org/10.3341/jkos.2012.53.6.906

A Case of Bilateral Visual Loss due to an Olfactory Groove Meningioma

Young Hoon Yang, MD, Min Ahn, MD, PhD

Department of Ophthalmology, Chonbuk National University Medical School, Jeonju, Korea.

Address reprint requests to Min Ahn, MD, PhD. Department of Ophthalmology, Chonbuk National University Hospital, #20 Geonji-ro, Jeonju 561-712, Korea. Tel: 82-63-250-1960, Fax: 82-63-250-1960, ahnmin@jbnu.ac.kr

Received 20 June 2011       Accepted 24 April 2012

Copyright © 2012 The Korean Ophthalmological Society

Abstract

Purpose

To describe a case of severe bilateral visual loss in a patient with olfactory groove meningioma.

Case summary

A 64-year-old man presented with a 1-year history of anosmia, progressive loss of vision and visual field deficit. Presenting visual acuity was Counting fingers at 10 cm, and visual field exam showed total visual field defect in both eyes, but there was no remarkable finding to warrant an ophthalmologic examination except mild nucleosclerosis in both eyes and temporal pallor in the left optic nerve head. A brain MRI scan was performed and revealed an olfactory groove meningioma. Surgical resection was performed, and pathologic findings showed meningotheliomatous meningioma. Two months later, the patient was healthy, but no significant improvement of visual acuity or visual field was observed.

Conclusions

In patients with unexplained visual loss with anosmia, olfactory groove meningioma should be considered.

Keywords: Anosmia, Bilateral visual loss, Olfactory groove meningioma

Figures and Tables

Figure 1
Preoperative Humphrey visual field test (30-2) showing total visual field defect.
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Figure 2
Fundus photographs showing non-specific finding except mild temporal pallor of the left optic disc head.
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Figure 3
Brain magnetic resonance imaging scans (T1 axial, coronal, and sagittal) revealing an olfactory groove meningioma.
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Figure 4
Postoperative Humphrey visual field test (30-2) showing nearly total visual field defect.
jkos-53-906-g004

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