Pre- and postnatal diagnosis of trisomy 4 mosaicism
| Autor: | Jeffrey Korotkin, Jean H. Priest, Janet P. Marion, Paul M. Fernhoff |
|---|---|
| Rok vydání: | 1990 |
| Předmět: |
congenital
hereditary and neonatal diseases and abnormalities medicine.medical_specialty Pathology Aneuploidy Trisomy Biology Pregnancy Placenta medicine Humans Genetics (clinical) Fetus Mosaicism Cytogenetics Infant Chromosome medicine.disease medicine.anatomical_structure Karyotyping Immunology dup Amniocentesis Arterial blood Female Chromosomes Human Pair 4 |
| Zdroj: | American Journal of Medical Genetics. 37:362-365 |
| ISSN: | 1096-8628 0148-7299 |
| DOI: | 10.1002/ajmg.1320370314 |
| Popis: | A liveborn girl with 46,XX/47,XX + 4 mosaicism is reported for the first time. The diagnosis of true mosaicism was established initially in the assay of cultured amniotic fluid cells, although fetal blood obtained by percutaneous umbilical blood sampling showed a 46,XX chromosome constitution. The liveborn infant had manifestations previously reported in dup(4p) and dup(4q) syndromes. Cells in cord and arterial blood samples also were 46,XX, but cultures of placenta and bilateral forearm skin biopsies showed 46,XX/47,XX, +4 mosaicism. This case illustrates the disadvantage of chromosome analysis from blood alone when tissue-specific mosaicism is present. |
| Databáze: | OpenAIRE |
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