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Published on: May 26, 2023
Primary Ewing's sarcoma with orbit involvement: Survival and visual outcomes after eye-sparing multidisciplinary
Kirthi Koka1, Farrah E Rahim1, Christian El-Hadad1
1Oncology & Ophthalmic Plastic Surgery, Department of Plastic Surgery, The University of Texas M. D. Anderson Cancer Center, Houston, Texas, USA.
Background:
To describe the clinical presentation, treatment, and overall prognosis in eight patients with primary Ewing's sarcoma (ES) involving the orbit.
Methods:
A retrospective interventional study of all biopsy-proven cases of primary ES involving the orbit was done.
Results:
There were seven males and one female with a median age of 14 years. Imaging showed osseous involvement in all eight cases with extraorbital extension in four. Complete tumor resection was done in four, partial resection in three, and biopsy followed by sinus surgery in one. EWSR1 gene rearrangement analysis was done to confirm diagnosis. All patients received multidrug systemic chemotherapy and seven patients received adjuvant radiotherapy. Eye salvage was achieved in all patients. At a mean follow-up duration of 52.63 months, seven patients were doing well with no evidence of disease.
Conclusions:
ES involving the orbit is sensitive to chemotherapy and radiation. Aggressive multimodality treatment can help salvage the globe and improve overall survival.
