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Conjunctival Nevi
Clinical Features and Natural Course in 410 Consecutive Patients
Carol L. Shields, MD;
Airey Fasiudden, MD;
Arman Mashayekhi, MD;
Jerry A. Shields, MD
Arch Ophthalmol. 2004;122:167-175.
Objectives To describe the clinical features of a conjunctival nevus and to evaluate the lesion for changes in color and size over time.
Design Retrospective, observational, noncomparative case series.
Participants Four hundred ten consecutive patients with conjunctival nevi.
Main Outcome Measures The 2 main outcome measures were changes in tumor color and size.
Results Of the 410 patients, 365 (about 89%) were white, 23 (about 6%) were African American, 8 (2%) were Asian, 8 (2%) were Indian, and 6 (1%) were Hispanic. The iris color was brown in 55% (229/418), blue in 20% (85/418), green in 20% (83/418), and not indicated in 5% (21/418). The nevus was brown in 65%, tan in 19%, and completely nonpigmented in 16%. The anatomical location of the nevus was the bulbar conjunctiva (302 eyes, 72%), caruncle (61 eyes, 15%), plica semilunaris (44 eyes, 11%), fornix (6 eyes, 1%), tarsus (3 eyes, 1%), and cornea (2 eyes, <1%). The bulbar conjunctival lesions most commonly abutted the corneoscleral limbus. The nevus quadrant was temporal (190 eyes, 46%), nasal (184 eyes, 44%), superior (23 eyes, 6%), and inferior (21 eyes, 5%). Additional features included intralesional cysts (65%), feeder vessels (33%), and visible intrinsic vessels (38%). Cysts were clinically detected in 70% of histopathologically confirmed compound nevi, 58% of the subepithelial nevi, 40% of the junctional nevi, and 0% of the blue nevi. Of the 149 patients who returned for periodic observation for a mean of 11 years, the lesion color gradually became darker in 5% (7 patients), lighter in 8% (12 patients), and was stable in 87% (130 patients). The lesion size was larger in 7% (10 patients), appeared smaller in 1% (1 patient), and was stable in 92% (137 patients). There were 3 patients who developed malignant melanoma from a preexisting compound nevus (2 cases) or blue nevus (1 case) over a mean interval of 7 years.
Conclusions Conjunctival nevus is a benign tumor most often located at the nasal or temporal limbus and rarely in the fornix, tarsus, or cornea. Over time, a change in tumor color was detected in 13% (20/149) and a change in tumor size was detected in 8% (12/149).
From the Ocular Oncology Service, Wills Eye Hospital, Thomas Jefferson University, Philadelphia, Pa. The authors have no relevant financial interest in this article.
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