Identification of a PTPN11 hot spot mutation in a child with atypical LEOPARD syndrome.

Abstract excerpt

LEOPARD syndrome (LS) is an autosomal dominant inherited disorder primarily caused by mutations in the PTPN11, RAF1 and BRAF genes. Characteristic features include lentigines, craniofacial dysmorphism, myocardium or valve abnormalities, eletrocardiographic conduction defects and deafness. LS, neurofibromatosis type 1, Noonan syndrome and Legius syndrome are a group of highly overlapped disorders termed...

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