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Arch Ophthalmol. 2004;122:1876-1878.

	Since this article does not have an abstract, we have provided the first 150 words of the full text and any section headings.

Differentiation of a choroidal nevus from a small choroidal melanoma can be difficult. Choroidal nevi are generally asymptomatic lesions¹ that are less than 6 mm in diameter and less than 1.5 mm in height. The presence of drusen or areas of atrophy of the overlying retinal pigment epithelium generally indicate a chronic, inactive choroidal nevus.¹ Orange pigment and subretinal fluid are more commonly present in choroidal melanomas.² Echography usually demonstrates medium to high internal reflectivity in nevi and low reflectivity in melanomas. Documented growth^3-4 is widely interpreted as evidence of malignancy.

We provide the histopathology of 2 small choroidal melanocytic tumors that became symptomatic, developed orange pigment, and showed documented growth. One lesion was an epithelioid malignant melanoma; the other was a benign nevus.

Report of Cases

Case 1

A 45-year-old man was examined in May 1996 at the Ocular Oncology Clinic of the University of Michigan Kellogg Eye Center, Ann Arbor, for an enlarging, . . . [Full Text of this Article]

Case 2

Histopathological Findings

Comment

AUTHOR INFORMATION
Victor M. Elner, MD, PhD; Andrew Flint, MD; Andrew K. Vine, MD

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