Key result
Surgical excision resolves severe LVOT obstruction caused by a mitral papillary muscle blood cyst.
Population
n=1, 46-year-old man with left ventricular outflow obstruction caused by a blood-filled cyst attached to the…
Design
Case_report
Authors
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Rare papillary muscle blood cysts merit consideration in unexplained LVOTO; extends differential diagnosis but leaves open questions on prevalence and follow-up.
A rare case of severe left ventricular outflow tract obstruction caused by a blood-filled cyst on the mitral valve papillary muscle was successfully treated with surgical excision.
Arnold et al. (1990) studied this question. A blood-filled cyst attached to the anterior papillary muscle of the mitral valve caused severe left ventricular outflow tract obstruction and was successfully excised.
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