Key result
Benign-appearing left atrial myxoma rarely metastasizes into rapidly growing subcutaneous and intramuscular tumors.
Why the study?
Metastasizing atrial myxoma with wide dissemination and rapid metastatic growth is very rare despite the benign appearance of the original tumour.
Population
A patient with a pre-existing left atrial myxoma and multiple subcutaneous and intra-muscular tumours
Design
Case report
Authors
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Metastatic cardiac myxoma warrants vigilance despite benign histology; this case leaves open questions on incidence and surveillance.
This case highlights the rare potential for a histologically benign left atrial myxoma to metastasize widely and grow rapidly in subcutaneous and intra-muscular tissues.
Okada et al. (1986) studied this question. A benign-appearing left atrial myxoma rarely metastasized into rapidly growing subcutaneous and intra-muscular tumors without invading visceral organs or the skeleton.
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