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A Case of Partial Short Arm Deletion in Chromosome 9 with Inguinal Hernia, Testicular Cystic Lesion, and Arthrogryposis Multiplex Congenita

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초록

Chromosome 9p syndrome is a rare chromosomal abnormality caused by a partial deletion in chromosome 9. It was first described in 1973 by Alfi et al., and has since been shown to have diverse clinical phenotypes. Here, we reported a case of a male infant with joint contracture of the extremities, dysmorphic face, inguinal hernia, and testicular cystic masses. Chromosomal analysis revealed a terminal deletion at the short arm of chromosome 9. The major clinical features of the 9p deletion syndrome are trigonocephaly, small palpebral fissures, a flat nasal bridge, and mental retardation. To the best of our knowledge, this is the first reported case of a patient with 9p24 deletion presenting with arthrogryposis multiplex congenita.

Abstract

Chromosome 9p syndrome is a rare chromosomal abnormality caused by a partial deletion in chromosome 9. It was first described in 1973 by Alfi et al., and has since been shown to have diverse clinical phenotypes. Here, we reported a case of a male infant with joint contracture of the extremities, dysmorphic face, inguinal hernia, and testicular cystic masses. Chromosomal analysis revealed a terminal deletion at the short arm of chromosome 9. The major clinical features of the 9p deletion syndrome are trigonocephaly, small palpebral fissures, a flat nasal bridge, and mental retardation. To the best of our knowledge, this is the first reported case of a patient with 9p24 deletion presenting with arthrogryposis multiplex congenita.

참고문헌 (12)

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  8. Mroczek M, "A novel TPM2 gene splice-site mutation causes severe congenital myopathy with arthrogryposis and dysmorphic features", J Appl Genet, 58, pp.199~203 (2017)
  9. Murphy MW, "Genome-wide analysis of DNA binding and transcriptional regulation by the mammalian Doublesex homolog DMRT1 in the juvenile testis", Proc Natl Acad Sci U S A, 107, pp.13360~13365 (2010)
  10. Barbaro M, "Characterization of deletions at 9p affecting the candidate regions for sex reversal and deletion 9p syndrome by MLPA", Eur J Hum Genet, 17, pp.1439~1447 (2009)
  11. Del Rey G, "Association of distal deletion of the short arm of chromosome 9 with 46,XY disorder of sex development and gonadoblastoma", Biol Syst Open Access, 4, pp.1~3 (2015)
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