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Initial workup, including brain computed tomography, computed tomography angiography, and transthoracic echocardiography (TTE) were negative for a source until transesophageal echocardiography (TEE) found a mass in the left atrium. The TEE differentiated the mass as a rare cardiac papillary fibroelastoma on the left atrial free wall confirmed by postsurgical pathology. This case highlights the importance of TEE as a diagnostic tool for its ability to more accurately differentiate and characterize the tumor compared with TTE. This case underscores that a negative TTE does not equate to zero risk of the presence of a cardiac tumor. It is prudent for the clinician to be cognizant that it may be beneficial to perform a TEE even with a negative TTE workup.<\/jats:p>","DOI":"10.1177\/1089253217699281","type":"journal-article","created":{"date-parts":[[2017,3,21]],"date-time":"2017-03-21T01:17:30Z","timestamp":1490059050000},"page":"217-220","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":5,"title":["Papillary Fibroelastoma Found With Transesophageal Echocardiography After a Normal Transthoracic Echocardiography"],"prefix":"10.1177","volume":"21","author":[{"given":"Andrew G.","family":"Cook","sequence":"first","affiliation":[{"name":"University of Miami School of Medicine\/Jackson Health Systems, Miami, FL, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Omar","family":"Viswanath","sequence":"additional","affiliation":[{"name":"Mt Sinai Medical Center Miami Beach, Miami Beach, FL, 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