• Title/Summary/Keyword: BHLHA9

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Split hand/foot malformation with long-bone deficiency and BHLHA9 duplication: A prenatal diagnosis report

  • Cho, In Ae;Park, Ji Kwon;Baek, Jong Chul;Ha, A Na;Kang, Min Young;Lee, Jae Ik;Park, Ji Eun;Shin, Jeong Kyu;Choi, Won Jun;Lee, Soon Ae;Lee, Jong Hak;Paik, Won Young
    • Journal of Genetic Medicine
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    • v.12 no.2
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    • pp.123-127
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    • 2015
  • Distal limb deformities are congenital malformations with phenotypic variability and high genetic heterogeneity. Split hand/foot malformation, also known as ectrodactyly, is a congenital limb malformation characterized by a defect of the central rays of the hands and/or feet. Split hand/foot malformation with long-bone deficiency (SHFLD) is a rare condition related to a 17p13.3 duplication. Recently, genomic duplications encompassing BHLHA9 have been associated with SHFLD. We report a case of SHFLD presenting with campomelia of the right femur, bilateral agenesis of fibulae, bilateral club feet, and oligosyndactyly of the hands and feet, that was associated with a 17p13.3 duplication, as determined prenatally using array comparative genomic hybridization.