Primary Cardiac Myxofibrosarcoma of the Left Atrium with Heterologous Elements Mimicking a Cardiac Myxoma

Rosario del Carmen Medellin-Vallejo; Álvaro Barbosa-Quintana; Valeria Caballero-Malacara; Oralia Barboza-Quintana

doi:10.12659/AJCR.946351

09 January 2025 : Case report Mexico

Primary Cardiac Myxofibrosarcoma of the Left Atrium with Heterologous Elements Mimicking a Cardiac Myxoma

Rare disease

Rosario del Carmen Medellin-Vallejo

^1ABDEF, Álvaro Barbosa-Quintana^1ABCDEF, Valeria Caballero-Malacara^1ADEF*, Oralia Barboza-Quintana^1DG

DOI: 10.12659/AJCR.946351

Am J Case Rep 2025; 26:e946351

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Figure 4. Areas of necrosis (A) and heterologous elements were found, featuring osseous and chondroid differentiation (B), with mature bone formation (C), and hyaline cartilage with occasional foci of atypia (D).

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Primary Cardiac Myxofibrosarcoma of the Left Atrium with Heterologous Elements Mimicking a Cardiac Myxoma

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