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[Non-bacterial thrombosing endocarditis. Apropos of 2 cases].

The diagnosis of nonbacterial thrombosing endocarditis or marasmic endocarditis must be considered in patients presenting with a combination of cancer and systemic embolism. The pathophysiological mechanisms of this entity are unclear and purely hypothetical. However, hypercoagulability appears to play an essential role in the pathogenesis of this endocarditis, which could be the cardiac expression of a coagulopathy involving the entire vascular system. The authors report two cases of marasmic endocarditis which emphasize the value of transthoracic and transoesophageal echocardiography in the difficult diagnosis of this disease.