09 January 2025
: Case report 
Primary Cardiac Myxofibrosarcoma of the Left Atrium with Heterologous Elements Mimicking a Cardiac Myxoma
Rare disease
Rosario del Carmen Medellin-Vallejo
1ABDEF, Álvaro Barbosa-Quintana1ABCDEF, Valeria Caballero-Malacara1ADEF*, Oralia Barboza-Quintana1DG
DOI: 10.12659/AJCR.946351
Am J Case Rep 2025; 26:e946351
Figure 2. Gross examination of a polypoid mass, with a tan, smooth surface and a wide-based stalk, measuring 4.5 cm in its greater diameter (A). The cut surface was heterogeneous, solid, tan to yellow, with focal myxoid areas, foci of calcification and extensive hemorrhagic degeneration (B).