Pseudotrisomy 13: clinical findings and genetic implications.
نویسندگان
چکیده
The combination of holoprosencephaly, postaxial polydactyly, and normal karyotype has been termed pseudotrisomy 13 syndrome. Here, we report the prenatal diagnosis of pseudotrisomy 13 in three siblings suggesting autosomal recessive inheritance of this syndrome. Clinical overlap with hydrolethalus syndrome, Smith-Lemli-Opitz syndrome, Meckel syndrome, and Pallister-Hall syndrome is discussed.
منابع مشابه
Pseudotrisomy 13 and autosomal recessive holoprosencephaly.
Two sibs, diagnosed prenatally, had holoprosencephaly, midface hypoplasia, and normal chromosomes. The first fetus also had polydactyly. This sibship may represent an example of autosomal recessive pseudotrisomy 13.
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A syndrome of holoprosencephaly and postaxial polydactyly, associated with hydrocephalus, heart defect, adrenal hypoplasia, and other visceral malformations, has been observed in five unrelated children with normal chromosomes. Clinical overlap with lethal acrodysgenital dwarfism (SmithLemli-Opitz syndrome type II) and hydrolethalus syndrome is discussed. Recessive inheritance
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Holoprosencephaly, a disorder resulting from failure of cleavage or incomplete differentiation of the forebrain structures at various levels or to various degrees, is related to hereditary factors, chromosomal anomalies, cytogenetic abnormalities, and environmental teratogenic factors. We report on 2 cases of alobar holoprosencephaly, with similar physical findings, including microcephaly, micr...
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A syndrome of holoprosencephaly and postaxial polydactyly, associated with hydrocephalus, heart defect, adrenal hypoplasia, and other visceral malformations, has been observed in five unrelated children with normal chromosomes. Clinical overlap with lethal acrodysgenital dwarfism (Smith-Lemli-Opitz syndrome type II) and hydrolethalus syndrome is discussed. Recessive inheritance seems likely.
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ورودعنوان ژورنال:
- Fetal diagnosis and therapy
دوره 20 6 شماره
صفحات -
تاریخ انتشار 2005