Key result
Transesophageal echocardiography, CT, and MRI successfully differentiated a prominent crista terminalis from a true right atrial mass in a 73-year-old woman with a pulmonary embolism.
Case Report (n=1)
No
Advanced imaging modalities such as transesophageal echocardiography and cardiac CT/MRI are essential to accurately differentiate a prominent crista terminalis from a true right atrial mass when transthoracic echocardiography findings are ambiguous.
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May aid differentiation of crista terminalis from masses on ambiguous TTE; hypothesis-generating, should not yet change practice.
A prominent crista terminalis is a normal anatomic variant which consist of thick muscular bridge within the right atrium. However, it could be often misdiagnosed with an abnormal mass on the transthoracic echocardiography. The case report presented here, describe the findings of transthoracic echocardiography that suggested a right atrial mass in patients with pulmonary embolism. However, subsequent transesophageal echocardiography and cardiac computed tomography/magnetic resonance imaging differentiated a true right atrial mass from a prominent crista terminalis.
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Na et al. (2011) conducted a case report in Pulmonary embolism and prominent crista terminalis (n=1). Transesophageal echocardiography, CT, and MRI vs. Transthoracic echocardiography was evaluated. Transesophageal echocardiography, CT, and MRI successfully differentiated a prominent crista terminalis from a true right atrial mass in a 73-year-old woman with a pulmonary embolism.
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