Severe Mitral Valve Dysfunction: A Giant Left Atrial Myxoma Was the Guilty

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Nikolaos Baikoussis
Emmanouil Theodorakis
Theodoros Milas
Evangelia Sigala
Constantina Aggeli


BACKGROUND: Left atrial (LA) myxoma’s clinical manifestation depends on the size, location, mobility, and architecture of the tumor. The clinical presentation consists of cardiac (67%), embolic (29%), and systemic (34%) symptoms, even sudden cardiac death.

CASE PRESENTATION: We present an interesting case and images of a patient with severe mitral valve dysfunction and syncope, who was diagnosed with a giant mass in the left atrium and left ventricle as myxomas. Open heart surgery was performed and the mass was detected and successfully removed. The histopathology confirmed the diagnosis of myxoma of the left atrium.

CONCLUSION: Myxoma may be challenging to diagnose, but with imaging techniques, such as transthoracic (TTE), transesophageal (TEE) echocardiograms, when a high index of clinical suspicion exists, early diagnosis and therefore curative intervention in the majority of the cases is more likely.


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Baikoussis N, Theodorakis E, Milas T, Sigala E, Aggeli C. Severe Mitral Valve Dysfunction: A Giant Left Atrial Myxoma Was the Guilty. SEE J Cardiol [Internet]. 2023 Aug. 30 [cited 2023 Dec. 2];4(1):58-9. Available from:
Cardiovascular Surgery


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