Hearing loss, weakness of the legs, and/or additional abnormalities may also occur.

In some cases, additional physical abnormalities may also be present.

In some cases, additional physical abnormalities and/or mental retardation may also be present.

In some cases, additional abnormalities of the hands may also be present.

However, 10% of those with more severe or additional abnormalities die from it.

In some individuals with Monosomy 18p, additional physical abnormalities may be present.

In some individuals with NF2, additional abnormalities may also be present.

Some individuals with the disorder may also have additional physical abnormalities.

In some cases, the disorder may also be associated with additional physical abnormalities and/or intellectual impairment.

In some affected individuals, additional physical abnormalities may also be present.