Abstract
A 59-year-old man presented with acute dysarthria and left hemiparesis, which lasted for 15 min and spontaneously resolved. He had no risk factors for cardiovascular diseases and had a negative family history for stroke or other premature cardiovascular diseases. Cardiac examination revealed a grade 3/6 systolic murmur at the left parasternal border.
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Transthoracic echocardiography (TTE) parasternal long-axis view showed a 3.7 × 3.6-cm, highly mobile echodensity with frond-like projections in the left ventricle, attached to the posterior mitral valve leaflet and subvalvular apparatus (AVI 5351 kb)
TTE apical four-chamber view showed the mass (arrows) of the mitral valve (AVI 4775 kb)
TTE parasternal long-axis view showed a thin-walled, well-circumscribed mass with an echolucent core in the posteroinferior wall area (AVI 878 kb)
TTE parasternal long-axis view zoomed at the mass (arrow) confirmed the same findings (AVI 841 kb)
TTE short-axis view zoomed at the mass attached to the anterolateral papillary muscle (AVI 858 kb)
TTE apical four-chamber view confirmed the thin-walled, well-circumscribed mass with an echolucent core attached to the anterolateral papillary muscle, findings consistent with a blood cyst (AVI 853 kb)
A TTE apical four-chamber view with color Doppler flow imaging showed typical systolic mitral regurgitation but also a short regurgitation jet from the left ventricle to the left atrium during diastole, consistent with diastolic mitral regurgitation (AVI 114027 kb)
A TTE apical four-chamber view with color Doppler flow imaging showed typical systolic tricuspid regurgitation but also a short regurgitation jet from the right ventricle to the right atrium during diastole, consistent with diastolic tricuspid regurgitation (AVI 112410 kb)
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Yingchoncharoen, T. (2015). Cardiac Masses and Miscellaneous. In: Desai, M., Jellis, C., Yingchoncharoen, T. (eds) An Atlas of Mitral Valve Imaging. Springer, London. https://doi.org/10.1007/978-1-4471-6672-6_13
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DOI: https://doi.org/10.1007/978-1-4471-6672-6_13
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