An interconnected biatrial myxoma is an exceptionally rare tumor variant that straddles the interatrial septum through the fossa ovalis to form two synchronous masses.
Describes an exceptionally rare variant of biatrial myxoma forming two synchronous masses across the fossa ovalis.
Biatrial myxomas are exceptionally rare; an even more unusual variant is a single tumor that straddles the interatrial septum through the fossa ovalis, forming 2 synchronous masses.
Herrera et al. (2026) studied this question. An interconnected biatrial myxoma is an exceptionally rare tumor variant that straddles the interatrial septum through the fossa ovalis to form two synchronous masses.
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