[Fatal outcome of complete resection of undifferentiated pleomorphic cardiac sarcoma : About a case].

Introduction: Undifferentiated pleomorphic sarcoma (UPS) is a very rare malignant primary cardiac tumor with a poor prognosis.

Observation: A 34-year-old woman complained of dyspnea evolving in a febrile context with altered general condition: Transthoracic echocardiography (TTE) revealed a left intra-atrial mass measuring 51/26 mm in diameter. A thoracic computed tomography (CT) revealed a mass occupying the left atrium measuring 42/28/34 mm, associated with two pulmonary metastases.