Pericardial synovial sarcoma: case report and literature review.

Pericardial synovial sarcoma is an extremely rare primary malignant tumor of the heart and has an unclear prognosis. The purpose of this report is to describe the case of a patient with pericardial synovial sarcoma whose initial presentation was severe pericardial effusion and dramatic weight loss. Despite treatment, the patient died in one year. Then, we reviewed the medical literature for the epidemiology, clinical picture, relevance of complementary imaging tests, therapeutic conduct and prognosis of this neoplasm.