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ARCH SOC ESP OFTALMOL 2007; 82: 233-236

SHORT COMMUNICATION

GIANT CELL COLLAGENOMA OF THE BULBAR CONJUNCTIVA

COLAGENOMA DE CÉLULAS GIGANTES DE CONJUNTIVA BULBAR

ZARATE JO1, PELAYES DE1, GIOINO JM1, PIANTONI GR1

ABSTRACT

RESUMEN

Purpose/methods: To report a rare case of a tumor in a conjunctival location, a giant cell collagenoma. Tissue was stained with hematoxylin-eosin, perio- dic acid-Schiff, and Masson’s trichromic stain and studied by immunohistochemistry. Results/conclusion: The clinical and histopatholo- gic features of conjunctival giant cell collagenoma are similar to characteristics of the same tumor occurring in other parts of the body. This is the first report of this tumor in the eye (Arch Soc Esp Oftal- mol 2007; 82: 233-236).

Objetivo/método: Se presenta un raro tumor con ubicación conjuntival, un colagenoma de células gigantes. Se exponen las características histopatoló- gicas utilizando Hematoxilina y Eosina, PAS, Tri- crómico de Masson e inmunohistoquímica. Resultados/conclusiones: Se presentan las caracte- rísticas clínicas e histopatológicas del colagenoma de células gigantes de conjuntiva, que son similares a las características de éste tumor en otras partes del cuerpo. Este es el primer reporte de este tumor en el ojo.

Key words: Conjunctiva, collagenoma, giant cell, immunohistochemistry.

Palabras claves: Conjuntiva, colagenoma, células gigantes, inmunohistoquímica.

INTRODUCTION

CASE REPORT

In 1998, a new fibroblastic tumor in soft areas frequently located in lower limbs was called giant cell collagenoma by Rudolph (1). Said tumor is characterized by comprising two components:

A 48 year-old male visited the practice due to a tumoral lesion in the right eye (RE) with a 1-year evolution. The lesion was painless and had exhibi- ted a slow growth.

1. Hyalinized collagen matrix with storiform pattern.

2. Presence of giant cells. This paper presents a case of this pathology loca- ted in the bulbar conjunctiva.

The ophthalmological assessment revealed a visual acuity of 1 in both eyes (BE) and the biomi- croscopic examination showed a whitish raised lesion with multinodulated surface, mobile, hard, located at the conjunctival-limbar level between 6

Received: 19/1/06. Accepted: 26/3/07. II Ophthalmology Chair. Dept. of Pathology, Buenos Aires University. Buenos Aires. Argentina. Ph.D. in Medicine. 1

Correspondence: Jorge O Zarate Libertad 679 (1770), Aldo Bonzi Buenos Aires Argentina E-mail: zarate@ciudad.com.ar

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