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Tytuł:
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Probable new syndrome in a Mexican family with congenital palmar polyonychia and postaxial limb defects.
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Autorzy:
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Román Corona-Rivera J; Doctorado en Genética Humana, Centro Universitario de Ciencias de la Salud, Universidad de Guadalajara, Guadalajara, Jalisco, México. />Corona-Rivera E
Fragoso-Herrera R
Nuño-Arana I
Loera-Castañeda V
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Źródło:
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American journal of medical genetics. Part A [Am J Med Genet A] 2004 Mar 01; Vol. 125A (2), pp. 205-9.
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Typ publikacji:
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Case Reports; Journal Article
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Język:
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English
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Imprint Name(s):
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Publication: Hoboken, N.J. : Wiley-Blackwell
Original Publication: Hoboken, N.J. : Wiley-Liss, c2003-
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MeSH Terms:
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Fingers/*abnormalities
Foot Deformities, Congenital/*pathology
Hand Deformities, Congenital/*pathology
Limb Deformities, Congenital/*genetics
Polydactyly/*genetics
Adolescent ; Female ; Foot Deformities, Congenital/genetics ; Hand Deformities, Congenital/genetics ; Humans ; Infant ; Infectious Disease Transmission, Vertical ; Limb Deformities, Congenital/pathology ; Mexico ; Mosaicism ; Phenotype ; Polydactyly/pathology ; Siblings ; Syndrome
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Entry Date(s):
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Date Created: 20040226 Date Completed: 20040928 Latest Revision: 20200930
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Update Code:
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20240104
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DOI:
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10.1002/ajmg.a.20443
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PMID:
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14981725
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Congenital palmar polyonychia (CPP) is a rare and usually sporadic birth defect. We report on a Mexican girl with CPP of both 5th fingers and her sister with ectrodactyly with ulnar ray deficits and agenesis of the ulna. In previous reports, CPP has been seen in ectrodactyly with involvement of the ulna and ulnar digital rays and with postaxial polydactyly. Such findings observed in our patients can be considered a form of CPP. Autosomal dominant inheritance of CPP is more likely based in previous informative families with vertical transmission and instances of male-to-male transmission. The present and two previous families with affected sibs only may represent parental gonadal mosaicism, whereas de novo mutation or incomplete evaluation of relatives could be an explanation for sporadic cases. Variable expression of the CPP phenotype may be a new autosomal dominant entity, i.e., a CPP-postaxial limb defect syndrome.
(Copyright 2003 Wiley-Liss, Inc.)
Comment in: Am J Med Genet A. 2005 Aug 30;137(2):233; author reply 234. (PMID: 16059946)