Primary cardiac angiosarcoma (PCAS) is a malignancy seldom seen in pregnancy. A 23-year-old G1P0 Chinese female was found to have PCAS during her first trimester when she presented with tamponade physiology. The transthoracic echocardiography (TTE) results did not indicate the presence of an intracardiac lesion, and pericardial fluid cytology analysis showed no evidence of malignancy. Cardiac magnetic resonance imaging (CMRI) exhibited a right atrial mass, and tissue biopsy indicated a high-grade angiosarcoma. MRI of the abdomen was suggestive of liver metastasis. She underwent an abortion and was started on combination chemotherapy, with a reduction in both the cardiac and liver masses. In cardiac angiosarcomas, advanced imaging modalities such as MRI should be utilised when there is high clinical suspicion or in the case of pregnancy when trying to minimise foetal harm. Prognosis is poor, and a standardised treatment protocol regardless of pregnancy continues to elude the medical community.
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