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Clin Cardiol. 1991 Mar;14(3):262-6.

Lipomatous hamartoma of the tricuspid valve: echocardiographic-pathologic correlations.

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  • 1Division of Pathology, Mayo Clinic, Rochester, Minnesota 55905.


We report the eighth example of a cardiac valvular hamartoma (five mitral, three tricuspid). An intracavitary right atrial mass was present in a 76-year-old man and was characterized echocardiographically by a mobile cystic structure involving the septal tricuspid leaflet. Microscopically, the affected leaflet was comprised predominantly of mature adipose tissue. Formation of a valvular windsock in this case was attributed to the chronic effect of right ventricular pressure on tissue that was weaker than a normal leaflet. Valvular hamartomas should be included in the differential diagnosis of lesions that produce prolapsing, cystic, or windsock malformations of atrioventricular valves.

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