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Loeys-Dietz syndrome is a connective tissue disorder that causes aortic aneurysms, widely spaced eyes (hypertelorism), cleft palate and/or split uvula (the little piece of flesh that hangs down in the back of the mouth) and twisting or spiraled arteries (arterial tortuosity). Other findings include craniosynostosis, extropia (eyes that turn outward), micrognathia, structural brain abnormalities, intellectual deficit, and congenital heart disease. Signs and symptoms vary among individuals. This condition is inherited in an autosomal dominant manner with variable clinical expression.This condition is called Loeys-Dietz syndrome type 1 when affected individuals have cleft palate, craniosynostosis, and/or hypertelorism. Individuals without these features are said to have Loeys-Dietz syndrome type 2. The disease is caused by mutations in the TGFBR1 , the TGFBR2, the SMAD3 or the TGFB2 genes. It is important to have an early and adequate treatment for the heart problems because the chance for aortic dissection and other vascular problems may be high in some patients. Many specialists may be involved for the best managment of the patient.
Source: GARD Last updated on 05-01-20
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