原发性心脏肿瘤可以产生许多其他心脏病的表现，可能阻塞血流，引起心力衰竭、胸痛、晕厥、肺动脉高压和心律失常等。
Primary cardiac tumors can mimic many other cardiac conditions and may cause obstruction to blood flow, heart failure, chest pain, syncope, pulmonary hypertension, and arrhythmias.
目的：分析心脏心包非粘液瘤性原发性肿瘤磁共振成像(MRI)的影像学特征，评估其临床价值。
Objective: to evaluate the role of magnetic resonance imaging (MRI) in the diagnosis of non myxomatous primary tumors of the heart and pericardium.
原发性心脏骨肉瘤罕见，只占心脏肿瘤的1%，通常源于左心房。
Primary cardiac osteosarcomas are rare, accounting for only 1% of all cardiac tumors, and they usually originate in the left atrium.
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