Cardiac Myxomas

 

Image Library Home >> Cardiac Tumors >> Cardiac Myxoma
  • Classic Left Atrial Myxoma
  • Right Sided Myxoma

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This short axis view TEE view demonstrates the classic location of a cardiac myxoma. They are usually singular masses, most commonly seen in the left atrium (75% of cases) and attached to the intra-atrial septum.

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A bicaval view shows lays out he intra-atrial septum better. Note the round mass is heterogenous in appearance and echodensity. This is commonly seen with myxomas. While classic, to make a diagnosis, surgical excision with biopsy is necessary.

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In this case note the associated PFO seen here by color Doppler. This is also a classic finding with left atrial myoxomas seen attached to the intra-atrial septum.

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This is a more unusual location for a cardiac myxoma, however 15% of them are right sided, usually more commonly in the right atrium than right ventricle. This large hetergenous mass is seen within the RV. It was a biopsy proven myxoma after surgical excision.

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This view of the PA shows how the mass extends all the way to the pulmonic valve.

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Note how this large myxomas moves into the RVOT during systole (when aortic valve is open), virtually obstructing it!