Journal of the American Society of Echocardiography
Volume 15, Issue 7 , Pages 753-755, July 2002

Prominent crista terminalis appearing as a right atrial mass on transthoracic echocardiogram☆

Lovelace Medical Center and the Department of Medicine (Cardiology) (M.B.W.,F.M.K.,V.M.F.), The University of New Mexico Health Science Center. Albuquerque, New Mexico

Abstract 

The crista terminalis is a fibromuscular ridge formed by the junction of the sinus venosus and primitive right atrium. In these case reports, transthoracic echocardiography suggested the presence of a right atrial mass. However, subsequent transesophageal echocardiography revealed that the “right atrial mass” was actually a prominent crista terminalis. An understanding of the anatomy and the echocardiographic appearance of a prominent crista terminalis will minimize the misdiagnosis of this structure. (J Am Soc Echocardiogr 2002;15:753-5.)

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☆ Reprint requests: Vincent M. Figueredo, MD, Heart and Vascular Center, Lovelace Medical Center, 5400 Gibson Blvd SE, Albuquerque, NM 87108 (E-mail: vincent.figueredo@lovelace.com).

PII: S0894-7317(02)00030-5

doi:10.1067/mje.2002.119163

Journal of the American Society of Echocardiography
Volume 15, Issue 7 , Pages 753-755, July 2002

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