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1.

Cornelia de Lange syndrome 6

Cornelia de Lange syndrome (CDLS) is a genetically heterogeneous developmental disorder characterized by malformations affecting multiple systems. Affected individuals have dysmorphic facial features, cleft palate, distal limb defects, growth retardation, and developmental delay. About 60% of patients have mutations in the NIPBL gene (608667) (summary by Musio et al., 2006 and Hoppman-Chaney et al., 2012). For a general phenotypic description and a discussion of genetic heterogeneity of Cornelia de Lange syndrome, see CDLS1 (122470). [from OMIM]

MedGen UID:
1848930
Concept ID:
C5882712
Disease or Syndrome
2.

De Lange syndrome

Cornelia de Lange syndrome (CdLS) encompasses a spectrum of findings from mild to severe. Severe (classic) CdLS is characterized by distinctive facial features, growth restriction (prenatal onset; <5th centile throughout life), hypertrichosis, and upper-limb reduction defects that range from subtle phalangeal abnormalities to oligodactyly (missing digits). Craniofacial features include synophrys, highly arched and/or thick eyebrows, long eyelashes, short nasal bridge with anteverted nares, small widely spaced teeth, and microcephaly. Individuals with a milder phenotype have less severe growth, cognitive, and limb involvement, but often have facial features consistent with CdLS. Across the CdLS spectrum IQ ranges from below 30 to 102 (mean: 53). Many individuals demonstrate autistic and self-destructive tendencies. Other frequent findings include cardiac septal defects, gastrointestinal dysfunction, hearing loss, myopia, and cryptorchidism or hypoplastic genitalia. [from GeneReviews]

MedGen UID:
78752
Concept ID:
C0270972
Disease or Syndrome

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