Synovial sarcoma involving lacrimal gland: A rare clinical entity
Purpose: To report a rare case of synovial sarcoma in the lacrimal gland fossa of the orbit.
Patient and methods: A female 70-years in age has presented to the department of orbit and ophthalmic plastic services of tertiary care eye hospital with eccentric proptosis of right eye of one month duration and pain for the past one week. Clinical examination revealed fullness in the right lacrimal gland region. CT scan of the orbit has shown a mass lesion in the fossa of the lacrimal gland. Its margin is irregular and erosion of lateral wall and roof of the orbit is noted. From the clinical picture and imaging, diagnosis of malignant tumor of the lacrimal gland was made. The tumor was excised through lateral orbitotomy. Histopathology and immunohistochemistry revealed that the tumor is synovial sarcoma.
Conclusion: Synovial sarcoma is a very rare lacrimal gland malignant tumor in the orbit. Immunohistochemistry is very important to confirm the diagnosis.
Key words: Synovial sarcoma, Histopathology, Immunohistochemistry