Rare genetic developmental defect during embryogenesis 19q13.11 microdeletion syndrome UMLS:C2751651 OMIM:613026 Del(19)(q13.11) orphanet ICD10:Q93.5 The 19q13.11 microdeletion is characterized by several major features including pre and postnatal growth retardation, slender habitus, severe postnatal feeding difficulties, microcephaly, intellectual deficit with speech disturbance, hypospadias and ectodermal dysplasia presented by scalp aplasia, thin and sparse hair, eyebrows and eyelashes, thin and dry skin and dysplasic nails. Monosomy 19q13.11 Partial autosomal monosomy