Monosomy 9p


Monosomy 9p is a rare chromosomal disorder in which there is deletion of a portion of chromosome 9. Symptoms include microgenitalia, intellectual disability 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.