A 3-year cytogenetic survey of 9661 patients in South Africa
Date
1983
Authors
Bester, Rina
Benjamin, Mercy
Journal Title
Journal ISSN
Volume Title
Publisher
Health and Medical Publishing Group (HMPG)
Abstract
During the period 1 January 1977 - 31 December 1979, 9661 patients underwent cytogenetic investigation at seven participating laboratories in South Africa. The chromosome data were coded using a standard protocol and the results tabulated, being listed according to the clinical signs which led to referral for investigation. Cytogenetic investigation was most commonly requested for prenatal studies, and 22% of the group's effort was directed towards this. One in 27 amniotic cell specimens was reported to have shown anomalous chromosomes, trisomy 21 being the most frequent abnormality. The majority of postnatal investigations were requested because congenital abnormalities suggested an underlying chromosomal defect. In 42.3% of 2420 patients a chromosome defect was confirmed. Results of chromosome studies are tabulated by indication for referral and the findings summarized. This collaborative study gives an indication of the nature and frequency of chromosome disorders in South Africa.
Description
The original publication is available at http://www.samj.org.za
Bibliography
Bibliography
Keywords
Chromosome aberration; chromosome analysis; clinical article; congenital disorder; congenital malformation; diagnosis; epidemiology; etiology; fetus; geographic distribution; heredity; histology; human; incidence; infertility; pregnancy; prenatal diagnosis; Chromosome Aberrations; Chromosome Disorders; Female; Human; Karyotyping; Male; Pregnancy; Prenatal Diagnosis; Sex Chromosome Aberrations; South Africa, Chromosome abnormalities, Chromosome disorders -- Diagnosis -- South Africa
Citation
Retief, A.E., Bernstein, R. & Grace, H.J. 1983, A 3-year cytogenetic survey of 9661 patients in South Africa, SA Medical Journal, 63(8), 48-53, http://archive.samj.org.za/