Journal of the American Society of Echocardiography
Volume 23, Issue 7 , Pages 789-790 , July 2010

Lipomatous Hypertrophy of the Interatrial Septum Revisited

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    On the left is a gross pathologic specimen of LHIS. Compare this with the transesophageal image on the right. The superior fat mass (S) corresponds to Waterston's groove (WG), and the inferior fat mas

    On the left is a gross pathologic specimen of LHIS. Compare this with the transesophageal image on the right. The superior fat mass (S) corresponds to Waterston's groove (WG), and the inferior fat mass (I) corresponds to the inferior pyramidal space (IPS). FO, Fossa ovalis; LA, left atrium; RA, right atrium. Reprinted with permission from J Am Coll Cardiol7 and from Nadra I, Dawson SA, Schmitz SA, Nihoyannopoulos P. Lipomatous hypertrophy of the interatrial septum: a commonly misdiagnosed mass leading to unnecessary cardiac surgery. Heart 2004;90:e66.

PII: S0894-7317(10)00353-6

doi: 10.1016/j.echo.2010.04.015

Journal of the American Society of Echocardiography
Volume 23, Issue 7 , Pages 789-790 , July 2010

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