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|Classification and external resources|
Monosomy 9p (also known as Alfi's Syndrome or simply 9P-) is a rare chromosomal disorder in which there is deletion (monosomy) of a portion of chromosome 9. Symptoms include microgenitalia, mental retardation with microcephaly and dysmorphic features.
The location has recently been narrowed to 9p22.2-p23.
Various clinical features have been associated with this disease including trigonocephaly, flattened occiput, prominent forehead, broad flat nasal bridge, anteverted nares, malformed external ears, hypertelorism, and hypertonia.
- Kawara H, Yamamoto T, Harada N, et al. (February 2006). "Narrowing candidate region for monosomy 9p syndrome to a 4.7-Mb segment at 9p22.2-p23". Am. J. Med. Genet. A. 140 (4): 373–7. doi:10.1002/ajmg.a.31094. PMID 16419130.
- "OMIM Entry - # 158170 - CHROMOSOME 9p DELETION SYNDROME". www.omim.org. Retrieved 2017-03-10.
Discovered by Omar Alfi.
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