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See subtype below: myxoid MFH of heart

General
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Case reports
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Treatment
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Gross description
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Gross images
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Tumor of right atrium, tricuspid valve and right ventricle

Tumor is tan-white and gelatinous

Fig A: lobulated tumor in right ventricular outflow tract

Micro description
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Micro images
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Storiform pattern of fibrohistiocytic cells

Spindled fibroblasts and mitotic figures

Fibrohistiocytic tumor with giant cells (arrow) and spindle cells (circle)

Pleomorphic tumor cells with atypical mitotic figures

Prominent vessels and myxoid stroma

Positive stains
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Myxoid MFH of heart

General
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Case reports
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Gross description
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Micro description
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Micro images
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Hyperchromatic spindle cells in myxoid background, but no ring or cord structures


Focal infiltration of atrial muscle

Atypical spindle cells in hyalinized background

Cellular area

Differential diagnosis
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End of Heart tumor > Cardiac tumors - malignant > Malignant fibrous histiocytoma



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