Mina Nakama, Yuki Miwa, Sayaka Manabe, Shigeru Shimamoto, Hidenori Ohnishi
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Novel variant of FBN2 in a patient with congenital contractual arachnodactyly.
Congenital contractual arachnodactyly (CCA) is a genetic connective tissue disorder that is characterized by arachnodactyly, kyphoscoliosis, marfanoid habitus, and crumpled ears. We report a case of a boy with suspected Marfan syndrome. Genetic analysis revealed c.3207_3217+9del in a heterozygote form of the fibrillin-2 (FBN2) gene. This patient was diagnosed with CCA based on his phenotype, and the pathogenicity of this variant was classified according to cDNA analysis and protein modeling.
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