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Metastatic synovial sarcoma to the skull base and orbit
Lawrence M Buono1, Andres Silberschmidt, Rod Foroozan
1Neuro-Ophthalmology Service, Wills Eye Hospital, Philadelphia, Pennsylvania, USA.
Purpose:
To report a case of metastatic synovial sarcoma to the parasellar area and orbit.
Design:
Interventional case report.
Methods:
A 43-year-old woman with a history of a right forearm synovial sarcoma treated with excision, radiation, and chemotherapy 16 months previously presented with blurred vision of the right eye, pain with eye movement, epistaxis, and a right superior division cranial nerve III palsy. Magnetic resonance imaging showed a right parasellar and right orbital apex mass.
Results:
Pathologic examination of the parasellar biopsy revealed metastatic synovial sarcoma. At 6-month follow-up, the neuro-ophthalmic examination was unchanged, and repeat magnetic resonance imaging showed no recurrence of the tumor.
Conclusions:
Metastatic synovial sarcoma should be added to the differential diagnosis of parasellar and orbital tumors.