This case report describes a rare malignant mesenchymoma of the heart with multiple mesenchymal elements and subsequent metastasis.
Metastasis may occur late after cardiac surgery in mesenchymoma; extends sparse case literature but leaves management questions open.
A case of a rare primary cardiac tumor in a 46-year-old woman is described. The tumor arose from the left atrium and was histologically composed of multiple mesenchymal elements of fibrosarcoma, rhabdomyosarcoma, chondrosarcoma, myosarcoma, and liposarcoma. Metastasis of this tumor occurred in the left femur, lung, and hilar lymph nodes after the second heart operation. Histogenesis of malignant mesenchymoma was considered with a survey of the literature.
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Tanaka et al. (1982) studied this question.
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