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Oman Journal of Ophthalmology. 2013; 6 (1): 48-50
em Inglês | IMEMR | ID: emr-130169

RESUMO

Cyst-like cavities in uveal melanoma occur rarely and can simulate a benign intraocular cystic lesion resulting in delayed diagnosis and inappropriate management. Herein, we describe a 66-year-old Caucasian female who presented with a "cystic" ciliary body mass in the right eye oculus dexter [OD]. Slit lamp examination OD showed anterior bulging of the iris temporally from an underlying pigmented ciliary body mass and transillumination disclosed slight shadow from the tumor. Ultrasound biomicroscopy [UBM] revealed multiple cyst-like cavities within a tumor, lined by "thick walls" of at least 200 microm and occupying 80% of the tumor volume. A clinical diagnosis of multi-cavitary ciliary body melanoma was suspected and partial lamellar sclero iridocyclectomy was performed. Histopathology confirmed the diagnosis of low-grade spindle melanoma of the ciliary body with multiple empty and fluid filled cyst-like cavities without epithelial lining. UBM is an important diagnostic tool in the differentiation of "thick walled" cavitary melanoma from "thin walled" benign pigment epithelial cyst


Assuntos
Humanos , Feminino , Melanoma/patologia , Corpo Ciliar , Neoplasias Uveais , Cistos
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