A 47-year-old man was referred because of an acute anterolateral ST-segment elevation myocardial infarction. Coronary angiography showed marked ectasia of the coronary arteries, with no obstructive lesions. Ventriculography strongly suggested severe left ventricular hypertrophy, later confirmed by cardiovascular magnetic resonance imaging. Complete clinical investigation showed that the patient also had multiple lentigines, ocular hypertelorism, and deafness. These associations led to the diagnosis of LEOPARD (Lentigines, Electrocardiographic anomalies, Ocular hypertelorism, Pulmonary stenosis, Anomalies of the genitalia, Retarded growth, and Deafness [sensorineural]) syndrome. Although uncommon, LEOPARD syndrome is important to recognize because it can be associated with serious adverse cardiac events, particularly in patients with severe left ventricular hypertrophy.
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