Key result
Myocardial TB mimics solid cardiac tumors on imaging and risks preoperative misdiagnosis without typical symptoms.
Why the study?
Myocardial tuberculosis is uncommon and presenting primarily as proliferative lesions is even rarer, leading to potential misdiagnosis as a cardiac tumor.
Myocardial tuberculosis can present as a solid space-occupying lesion mimicking a cardiac tumor on imaging, highlighting the need for vigilance to avoid misdiagnosis.
Answers are grounded in this paper and cite their sources.
Consider myocardial tuberculosis in the differential for cardiac masses; this single case leaves open its true incidence and best diagnostic strategy.
Myocardial tuberculosis is uncommon, and myocardial tuberculosis presenting primarily as proliferative lesions is even rarer. This case report describes a highly unusual clinical presentation characterized by a solid cardiac space‐occupying lesion. Both cardiac magnetic resonance imaging (MRI) and echocardiography supported the diagnosis of a cardiac tumor, while pathology confirmed tuberculosis. The patient exhibited no clinical symptoms of tuberculous toxicity, no pericardial thickening or calcification, and no signs or symptoms of pericardial effusion. Both clinical manifestations and ancillary investigations supported the diagnosis of a cardiac tumor, which were significant factors contributing to the preoperative misdiagnosis. This highlights the need for increased vigilance to reduce misdiagnosis and missed diagnosis.
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Xie et al. (2026) studied this question. Myocardial tuberculosis can present as a solid cardiac mass mimicking a tumor on imaging, leading to preoperative misdiagnosis without typical TB symptoms.
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