Three patients with mental retardation and multiple congenital abnormalities are described. Although their clinical appearance was not suggestive of Down's syndrome, chromosome studies showed a non-disjunctional trisomy 21 in two of the patients. The third case had an unsuspected XXY karyotype.
A case of trisomy 21 with holoprosencephaly: The fifth case
β Scribed by Hiromi Hamada; Tadao Arinami; Mitsuhiko Koresawa; Takeshi Kubo; Hideo Hamaguchi; Hirokazu Iwasaki
- Book ID
- 105333689
- Publisher
- Nature Publishing Group
- Year
- 1991
- Tongue
- English
- Weight
- 589 KB
- Volume
- 36
- Category
- Article
- ISSN
- 1435-232X
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