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Vol. 64. Issue 4.
Pages 328 (April 2011)
DOI: 10.1016/j.rec.2010.01.002
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Cardiac Abnormalities in LEOPARD Syndrome
Anomalías cardiacas en el síndrome de LEOPARD
Daniel García-Fuertesa,
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Corresponding author:
, Dolores Mesa-Rubioa, Manuel Crespín-Crespína
a Servicio de Cardiología, Hospital Universitario Reina Sofía, Cordoba, Spain
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LEOPARD syndrome is an autosomal dominant genetic disorder involving a complex of malformations and other features, including lentiginosis, electrocardiographic conduction abnormalities, ocular hypertelorism, pulmonary valve stenosis, abnormal genitalia, growth retardation, and sensorineural deafness. The most common cardiovascular manifestations of this condition are pulmonary valve stenosis, hypertrophic cardiomyopathy, and conduction disturbances.

We present the case of a 56-year-old man who was seen for dyspnea on minimal exertion. His clinical history was notable for a diagnosis of hypogonadism, and physical examination showed the presence of numerous lentigines (Figure 1A) and a holosystolic murmur at the left parasternal border. Electrocardiography showed signs of right atrial and left ventricular enlargement, as well as extreme right axis deviation (Figure 1B). Echocardiography disclosed severe asymmetric septal hypertrophy of the left ventricle (septum, 21mm) (Figure 2A) and stenosis of the pulmonary infundibulum, which caused severe obstruction of the right ventricular outflow tract (maximum gradient, 119mmHg) (Figure 2B); the pulmonary valve anatomy was normal (Figure 3A). Magnetic resonance imaging confirmed the origin of the obstruction (Figure 3B).

Figure 1.

Figure 2.

Figure 3.

Although pulmonary valve stenosis is the most commonly described cardiovascular anomaly in this syndrome, an infundibular location of the obstruction, as was seen in our patient, has been reported in some cases. Prompt diagnosis of this syndrome is essential because the concomitant cardiovascular anomalies can have a considerable influence on the prognosis.

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Revista Española de Cardiología (English Edition)

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