What question did this study set out to answer?

To describe a rare case of biatrial myxoma that extends through the fossa ovalis.

April 18, 2026JACC Case Reports0 citationsOpen Access

Interconnected Biatrial Myxoma Spanning the Fossa Ovalis

JHJonathan Cayo Urdiales Herrera HMHeleutério da Conceição Nicolau Madogolele RNRafael Ruas Nastari

Key Result

An interconnected biatrial myxoma is an exceptionally rare tumor variant that straddles the interatrial septum through the fossa ovalis to form two synchronous masses.

Key Points

To describe a rare case of biatrial myxoma that extends through the fossa ovalis.
Case presentation of an unusual bilateral cardiac tumor
Identification of masses connected across the interatrial septum
Tumor comprised of two connected masses
Tumor located at the fossa ovalis, influencing cardiac function

Structured PICO

Population

Patients with biatrial myxomas, specifically a single tumor straddling the interatrial septum through the fossa ovalis

Describes an exceptionally rare variant of biatrial myxoma forming two synchronous masses across the fossa ovalis.

Abstract

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.

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Cite This Study

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.

synapsesocial.com/papers/69e320e740886becb6540177 https://doi.org/10.1016/j.jaccas.2026.107944

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April 18, 2026JACC Case Reports0 citationsOpen Access

Interconnected Biatrial Myxoma Spanning the Fossa Ovalis

View Full Paper

JHJonathan Cayo Urdiales Herrera HMHeleutério da Conceição Nicolau Madogolele RNRafael Ruas Nastari

Key Result

An interconnected biatrial myxoma is an exceptionally rare tumor variant that straddles the interatrial septum through the fossa ovalis to form two synchronous masses.

Key Points

To describe a rare case of biatrial myxoma that extends through the fossa ovalis.
Case presentation of an unusual bilateral cardiac tumor
Identification of masses connected across the interatrial septum
Tumor comprised of two connected masses
Tumor located at the fossa ovalis, influencing cardiac function

Structured PICO

Population

Patients with biatrial myxomas, specifically a single tumor straddling the interatrial septum through the fossa ovalis

Describes an exceptionally rare variant of biatrial myxoma forming two synchronous masses across the fossa ovalis.

Abstract

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.

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View Full Paper

Cite This Study

synapsesocial.com/papers/69e320e740886becb6540177 https://doi.org/10.1016/j.jaccas.2026.107944

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