Key result
Intraoperative transesophageal echocardiography and cardiac MRI correctly identified an extracardiac intrapericardial mass, avoiding unnecessary opening of the left atrium.
Why the study?
Extracardiac intrapericardial masses arising posterior to the left atrium often mimic an intracardiac left atrial mass on echocardiography.
Does TEE and CMR improve diagnostic accuracy compared to TTE for masses posterior to the left atrium?
Case Report (n=1)
Does TEE and CMR improve diagnostic accuracy compared to TTE for masses posterior to the left atrium?
TEE and CMR are superior to TTE in accurately delineating the origin of masses posterior to the left atrium, which can prevent unnecessary surgical interventions.
Extracardiac intrapericardial masses arising posterior to left atrium (LA) often mimic an intracardiac LA mass on echocardiography. Although transthoracic echocardiography (TTE) is the primary screening tool to detect any cardiac mass, transesophageal echocardiography (TEE) is proven superior to TTE in delineating the size, morphology, and exact site of origin of LA masses. We report a case, where the preoperative TTE diagnosed an LA mass which was later confirmed to be an extracardiac intrapericardial mass by cardiac magnetic resonance imaging and intraoperative TEE. The mass was compressing the LA, and the timely diagnosis avoided the opening of the LA for mass excision.
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Murukendiran et al. (2021) conducted a case report in Extracardiac intrapericardial mass (n=1). Transesophageal echocardiography and cardiac magnetic resonance imaging vs. Transthoracic echocardiography was evaluated on Diagnosis of mass origin. Intraoperative transesophageal echocardiography and cardiac MRI correctly identified an extracardiac intrapericardial mass, avoiding unnecessary opening of the left atrium.
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