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January 1969

Orbital Extension in Flat Localized Choroidal Melanoma

Author Affiliations

Iowa City
From the Department of Ophthalmology, University of Iowa, Iowa City.

Arch Ophthalmol. 1969;81(1):54-57. doi:10.1001/archopht.1969.00990010056008

A FLAT choroidal melanoma may remain unsuspected while extending into the orbit. This has recently been emphasized.1-3 The purpose of this paper is to report an unusual case of localized, flat choroidal melanoma which produced clinically a unilateral papilledema and exophthalmos.

Report of a Case  A 65-year-old white man was referred to the University Hospital, Iowa City, for evaluation of unilateral papilledema. The patient stated that for approximately three months he had noted short episodes of mild painless visual blurring in the right eye. No other significant ocular or systemic symptoms could be elicited.The visual acuity was 6/9 in the right eye and 6/6 in the left eye with correction. The examination of the left eye was normal. In the right eye the anterior segment and ocular pressure were normal, and the pupils were equal and reactive to light. The fundus examination revealed an elevated, congested nervehead with

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