Although there was complete erasure of the olfactory and superior nasal structures, rudiments of nasal structures derived from the maxillary bone were evident, but with absent pharyngeal structures. [ncbi.nlm.nih.gov]

We report on a case of synophthalmic cyclopia and alobar holoprosencephaly associated with an interstitial deletion of the short arm of chromosome 2: del(2)(p21p23). [ncbi.nlm.nih.gov]

Amniocentesis followed by chromosome analysis demonstrated karyotype as de novo 45,XY, der (18;21)(q10;q10), with deletion of a short arm of chromosome 18. The pregnancy ended in a premature delivery of a male neonate weighing 1716 g at 34 weeks. [degruyter.com]