Synovial sarcoma of the ethmoid sinus with extension to the cavernous sinus: a case report and literature review.

Synovial sarcomas are rare soft tissue tumors primarily affecting the extremities but can occasionally manifest in unusual locations such as the ethmoid sinus, posing diagnostic challenges. We present a case of a 38-year-old male with a 7-month history of recurrent throbbing headaches, left eye pain, and facial nerve palsy, evolving into multiple stroke episodes. Radiological studies showed extension to the cavernous sinus, raising an initial suspicion of vasculitis. Histological findings of an endoscopic biopsy, however, confirmed a monophasic synovial sarcoma. The patient was referred to a specialized center for further management. Unfortunately, he developed another stroke before receiving treatment. Management included chemotherapy and definitive radiation therapy targeting the ethmoid sinus. The patient is currently receiving ongoing palliative care for symptom management. This case underscores the importance of early diagnosis and a multidisciplinary approach in managing rare and aggressive tumors such as synovial sarcoma of the ethmoid sinus.

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Published by Oxford University Press and JSCR Publishing Ltd. © The Author(s) 2024.

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None declared.