Monosomy 9p

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Monosomy 9p Classification and external resources
OMIM	158170

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.

The location has recently been narrowed to 9p22.2-p23.^[1]

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• Support group

v • d • e Pathology: chromosome abnormalities (Q90-Q99, 758) Autosomal trisomies Down syndrome (21), Edwards syndrome (18), Patau syndrome (13), Trisomy 9, Warkany syndrome 2 (8), Cat eye syndrome (22), Trisomy 22, Trisomy 16 Autosomal monosomies/deletions Wolf-Hirschhorn syndrome (4), Cri du chat (5), Williams syndrome (7), Angelman syndrome/Prader-Willi syndrome (15), Miller-Dieker syndrome/Smith-Magenis syndrome (17), 22q11.2 deletion syndrome (22) X/Y linked Monosomy: Turner syndrome (XO) Trisomy: Triple X syndrome (XXX), Klinefelter's syndrome (XXY), XYY Other Karyotypes: XXXX, XXYY, XXXXX, XXXXY Translocations Philadelphia chromosome, Burkitt's lymphoma Other Fragile X syndrome, Gonadal dysgenesis (Mixed gonadal dysgenesis)

Discovered by Omar Alfi.