" /> LEOPARD Syndrome - CISMeF





Preferred Label : LEOPARD Syndrome;

NCIt synonyms : Multiple Lentigines Syndrome;

NCIt related terms : Lentigines, Electrocardiographic Conduction Defects, Ocular Hypertelorism, Pulmonary Stenosis, Abnormalities of the Genitals, Retarded Growth, Deafness;

NCIt definition : A genetic syndrome caused by mutations in the PTPN11 and RAF1 genes. It is characterized by the following abnormalities: multiple lentigines, electrocardiographic conduction abnormalities, ocular hypertelorism, pulmonary stenosis, abnormalities in genitalia, growth retardation, and deafness.;

Alternative definition : NICHD: A genetic syndrome caused by mutation(s) in the PTPN11, RAF1, or the BRAF genes, encoding tyrosine-protein phosphatase non-receptor type 11 and RAF proto-oncogene serine/threonine-protein kinase, and serine/threonine-protein kinase B-raf, respectively. Affected male individuals may exhibit unilateral or bilateral cryptorchidism, small penis, and/or hypospadias (urinary meatus on the dorsal side of the penis). Affected female individuals may have ovarian hypoplasia or agenesis. Primary hypogonadism in both female and male individuals may result in delayed puberty.;

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21/05/2024


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