Myxoma of the left atrial appendage mimicking thrombus during aortic valve replacement

Echocardiographic characterization of cardiac masses involving the left atrium are defined by morphologic shape and appearance, site of attachment, type of margins, and presence or absence in the left atrial appendage. Most reports use location in the LAA as strong supportive evidence of thrombus, e...

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Bibliographic Details
Published inJournal of the American Society of Echocardiography Vol. 11; no. 6; p. 677
Main Authors Feinglass, N G, Reeder, G S, Finck, S J, Shine, T S, Maniu, C V
Format Journal Article
LanguageEnglish
Published United States 01.06.1998
Subjects
Aged
Aortic Valve Insufficiency - complications
Aortic Valve Insufficiency - diagnostic imaging
Aortic Valve Stenosis - complications
Aortic Valve Stenosis - diagnostic imaging
Echocardiography, Transesophageal
Heart Atria
Heart Neoplasms - complications
Heart Neoplasms - diagnosis
Heart Neoplasms - pathology
Heart Valve Prosthesis Implantation
Humans
Intraoperative Period
Male
Myxoma - complications
Myxoma - diagnosis
Myxoma - pathology
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Summary:Echocardiographic characterization of cardiac masses involving the left atrium are defined by morphologic shape and appearance, site of attachment, type of margins, and presence or absence in the left atrial appendage. Most reports use location in the LAA as strong supportive evidence of thrombus, especially if associated with other suggestive findings (i.e., atrial fibrillation, spontaneous echo contrast, or both). Other reported masses (non-thrombi) in the left atrial appendage are considered extremely rare. We report a case of a patient with coexisting aortic stenosis and atrial fibrillation diagnosed intraoperatively by transesophageal echocardiography with myxoma of the left atrial appendage.
ISSN:0894-7317
DOI:10.1016/s0894-7317(98)70046-x