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CASE REPORT
Year : 2013  |  Volume : 6  |  Issue : 1  |  Page : 48-50

Multicavitary ciliary body melanoma presenting as a cyst


1 Ocular Oncology Service, Wills Eye Institute, Thomas Jefferson University, Philadelphia, PA, USA
2 Ocular Oncology Service; Department of Pathology, Wills Eye Institute, Thomas Jefferson University, Philadelphia, PA, USA
3 Department of Pathology, Wills Eye Institute, Thomas Jefferson University, Philadelphia, PA, USA

Correspondence Address:
Carol L Shields
Ocular Oncology Service, Suite 1440, Wills Eye Institute, 840 Walnut Street, Philadelphia, PA 19107
USA
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0974-620X.111916

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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 μm 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.


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