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Clinicopathologic Report
April 1999

Primary Orbital Ewing Sarcoma in a Middle-aged Woman

Author Affiliations

From the Departments of Ophthalmology and the Visual Sciences (Drs Choi, Lucarelli, Imesch, Albert, and Dortzbach) and Surgical Pathology (Dr Hafez), University of Wisconsin, Madison.

 

W. RICHARDGREENMD

Arch Ophthalmol. 1999;117(4):535-537. doi:10.1001/archopht.117.4.535
Abstract

A 43-year-old woman had unilateral exophthalmos caused by primary orbital Ewing sarcoma. Specialized immunohistochemical stains, primarily MIC-2 (CD99), aided in the diagnosis of Ewing sarcoma. Twenty-two months after radiotherapy and multiagent chemotherapy, the patient remained tumor free. To our knowledge, this is the first reported case of orbital Ewing sarcoma to present in an adult beyond the fourth decade of life.

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