Loeys-Dietz Syndrome


NCI: A rare autosomal dominant syndrome caused by mutations in the TGFBR1 or TGFBR2 genes. It is characterized by vascular abnormalities including aortic and arterial aneurysms, aortic dissection, and tortuosity of the arteries. Other findings include scoliosis, long fingers, and joint hypermobility. Patients with TGFBR1 gene mutations also exhibit hypertelorism, bifid uvula, and early fusion of the skull bones.,MSH: An autosomal dominant aneurysm with multisystem abnormalities caused by increased TGF-BETA signaling due to mutations in type I or II of TGF-BETA RECEPTOR. Additional craniofacial features include CLEFT PALATE; CRANIOSYNOSTOSIS; HYPERTELORISM; or bifid uvula. Phenotypes closely resemble MARFAN SYNDROME; Marfanoid craniosynostosis syndrome (Shprintzen-Goldberg syndrome); and EHLERS-DANLOS SYNDROME.

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