An 18-year old woman was admitted to hospital with signs of right heart failure and atrial tachycardia. Ultrasounds showed a tumoral mass in the tricuspid valve. Post-mortem examination revealed that the mass was a tuberculoma obstructing the tricuspid orifice. The exceptional character of this case is emphasized: lesions of the heart have been found in less than 0.3 p. 100 of tuberculous patients autopsied. The different anatomical aspects of tuberculosis of the heart are mentioned, and it is suggested that echocardiography should be performed systematically in all patients with severe, disseminated tuberculosis. Tuberculoma of the heart should figure on the list of intraparietal and intraluminal masses visualized at echocardiography.