Trisomy 13
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Trisomy 13, also known as Patau syndrome, is a relatively common chromosomal abnormality.
Features
- Midface abnormality - key feature.
- An extreme example: holoprosencephaly - failure of the forebrain to divide into hemispheres.[1]
- Cardiac abnormalities.
- Aplasia cutis congenita (AKA aplasia cutis) - congenital absence of hair; usu. on the scalp.[2]
- Polydactyly - more than the normal number of digits.[3]
- Horseshoe kidney.
See also
References
- ↑ URL: http://dictionary.reference.com/browse/Holoprosencephaly. Accessed on: 16 May 2011.
- ↑ URL: http://dictionary.reference.com/browse/Aplasia+cutis+congenita. Accessed on: 16 May 2011.
- ↑ URL: http://dictionary.reference.com/browse/polydactyl. Accessed on: 16 May 2011.