Optical Coherence Tomography and Multifocal Electroretinography in a Patient with Choroidal Osteoma

Hye Jin Lim; Min Chul Bae; Joon Woo Park; Young Wook Cho; Dae Jin Park

doi:10.3341/jkos.2008.49.1.169

Journal List > J Korean Ophthalmol Soc > v.49(1) > 1008115

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Lim, Bae, Park, Cho, and Park: Optical Coherence Tomography and Multifocal Electroretinography in a Patient with Choroidal Osteoma

Original Article

J Korean Ophthalmol Soc 2008;49(1):169-176.

Published online: 3 August 2008

DOI: https://doi.org/10.3341/jkos.2008.49.1.169

Optical Coherence Tomography and Multifocal Electroretinography in a Patient with Choroidal Osteoma

Hye Jin Lim, M.D.¹, Min Chul Bae, M.D.¹, Joon Woo Park, M.D.², Young Wook Cho, M.D.¹, Dae Jin Park, M.D.¹

¹Department of Ophthalmology, Daegu Fatima Hospital, Daegu, Korea

²Department of Ophthalmology, Changwon Fatima Hospital, Changwon, Korea

Address reprint requests to Dae Jin Park, M.D. Department of Ophthalmology, Daegu Fatima Hospital #576-31 Sinam-dong, Dong-gu, Daegu 701-600, Korea Tel: 82-53-940-7140, Fax: 82-53-940-7149, E-mail: djoph2540@yahoo.co.kr

Received 31 May 2007 Accepted 2 October 2007

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Purpose

We present a case of choroidal osteoma and report a pattern of optical coherence tomography and multifocal electroretinography with a literature review.

Case summary

Using B-scan and CT, we performed OCT and MF-ERG in a patient diagnosed with choroidal osteoma. OCT revealed serous retinal detachment in the macula and a thick, irregular plate-like structure with high reflectivity in the choroidal mass lesion. MF-ERG demonstrated that Trace arrays show suppression of central and peripheral signals, especially in central lesions. Ring averages show reduced amplitudes in all locations, and 3D-topography of the response density shows marked suppression of the central signal and no foveal peak in comparison with the unaffected left eye.

Conclusions

In patients with choroidal osteoma, OCT can reveal thick plate-like high reflectivity with an irregular outer surface, and MF-ERG can predict retinal dysfunction.

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Keywords: Choroidal osteoma, Multifocal electroretinography, Optical coherence tomography

References

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Figure 1.

(A) Fundus photograph of the right eye shows large, well-demarcated, round, yellow-white lesion involving the peripapillary area and macula. (B) Early fluorescein angiogram of the right eye demonstrates hyperfluorescence due to window defect corresponding to choroidal lesion. (C) Late fluorescein angiogram of the right eye demonstrates hyperfluorescence without leakage.

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Figure 2.

(A) A-scan ultrasonography demonstrates the high-intensity echo spike corresponding to the anterior surface of choroidal osteoma. (B) B-scan ultrasonography demonstrates the slightly elevated, highly reflective choroidal mass and posterior acoustic shadowing. (C), (D) Computed tomography shows dense choroidal lesion having the density of normal bone.

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Figure 3.

(A) The visual field of the right eye shows a defect relatively small compared to lesion size. (B) The visual field of the left eye. (C) Optical coherence tomography of the right eye corresponding to the scanning line shown in the fundus photograph shows serous retinal detachment in the macula and thick, irregular plate-like structure with high reflectivity in choroidal mass lesion. (D) Optical coherence tomography of the left eye.

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Figure 4.

Multifocal electroretinography. (A) Trace arrays of the right eye show suppression of central and peripheral signal especially in the central lesion compared with unaffected left eye. (B) Ring averages of the right eye show reduced amplitude in all locations in comparison with unaffected left eye. (C) 3D-Topography of the response density in the right eye shows marked suppression of the central signal and no foveal peak in comparison with unaffected left eye.

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