Key result
TEE incidentally detects a CT-confirmed posterior mediastinal mass in a patient with severe MS.
Why the study?
Mediastinal masses can be incidentally detected during transesophageal echocardiography, highlighting the need for clinicians performing the procedure to be aware of this possibility and interpret related findings.
Case Report (n=1)
Clinicians performing transesophageal echocardiography should be aware of the possibility of incidentally detecting a mediastinal mass.
Incidental mediastinal masses on TEE require CT correlation; extends echocardiographic interpretation beyond cardiac structures and leaves open prevalence.
A mediastinal mass can be incidentally detected during transesophageal echocardiography, so clinicians performing this procedure should be aware of this possibility and able to interpret related echocardiographic findings. In evaluating a 69‐year‐old man with dyspnea, mitral stenosis was identified on transthoracic echocardiography. Subsequently, during transesophageal echocardiography, a mediastinal mass in the posterior mediastinum was observed. The computed tomography scan confirmed the transesophageal echocardiography findings and suggested that lymphoma and metastatic malignancy should be considered in the differential diagnosis.
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Mousavi et al. (2026) conducted a case report in Mitral stenosis and mediastinal mass (n=1). Transesophageal echocardiography was evaluated. Transesophageal echocardiography incidentally detected a posterior mediastinal mass in a 69-year-old man with severe mitral stenosis, which was later confirmed by computed tomography.
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