A Case of Melanocytoma of the Ciliary Body

Sung Wook Choi; Sung Gwan Seo; Jun Her

doi:10.3341/jkos.2009.50.6.946

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Choi, Seo, and Her: A Case of Melanocytoma of the Ciliary Body

Original Article

J Korean Ophthalmol Soc 2009;50(6):946-950.

Published online: 7 September 2009

DOI: https://doi.org/10.3341/jkos.2009.50.6.946

A Case of Melanocytoma of the Ciliary Body

Sung Wook Choi, MD, Sung Gwan Seo, MD, Jun Her, MD

Department of Ophthalmology, Inje University College of Medicine, Pusan Paik Hospital, Busan, Korea

Address reprint requests to Sung Gwan Seo, MD Department of Opthalmology, Pusan Paik Hospital Inje University College of Medicine #633-165 Gaegeum-dong, Busanjin-gu, Busan 633-165, Korea Tel: 82-51-890-6016, Fax: 82-51-890-6329, E-mail: seossg@hanmail.net

Received 24 November 2008 Accepted 4 February 2009

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

To report a patient with melanocytoma of the ciliary body.

Methods

A 52-year-old woman, who transferred from a private ophthalmic clinic to our hospital after a cataract operation due to a mass behind the iris, was evaluated. The patient had a dark brown mass with a smooth surface confirmed by ultrasonogram, CT, and MRI. The mass was removed by en bloc resection.

Results

The tumor had a gross finding of a dark brown, soft, and smooth surface 0.5×0.5×0.5 cm in size. Histopathologic examination revealed a melanocytoma originating in the ciliary body. There was no evidence of metastasis.

Conclusions

A very rare ciliary body melanocytoma was discovered with a good surgical result obtained by its removal.

Keywords: Ciliary body, Malignant melanoma, Melanocytoma

References

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Figure 1.

Preoperative slit lamp examination of melanocytoma of the ciliary body showing at 11 o'clock position along dilated pupil margin.

Figure 2.

Preoperative orbit CT finding: tumorous lesion at inferolateral aspect of the iris or ciliary body in the right eyeball.

Figure 3.

Preoperative orbit MRI finding: well-defined, round mass with signal alteration and intense enhancement at the inferolateral aspect of the right iris or ciliary body.

Figure 4.

Gross finding of excised tumor mass, which is dark brown, soft, and smooth surfaced and 0.5×0.5 ×0.5 cm in size.

Figure 5.

Microscopic appearance of melanocytoma of the ciliary body (A) (Histopathologic examination, ×40) tumor cells are polygonal melanocytes with small vesicular nuclei and abundant cytoplasm totally packed with melanin granules (B) tumor cells after bleaching preparation have abundant melanin pigment in the cytoplasm.

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