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Cornelia de Lange syndrome - Skin
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Cornelia de Lange syndrome - Skin

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Contributors: Harold E. Cross MD, PhD, Lauren Patty Daskivich MD, MSHS, Jeffrey D. Bernhard MD, Sarah Stein MD, Karen Wiss MD, Sheila Galbraith MD, Craig N. Burkhart MD, Dean Morrell MD, Lynn Garfunkel MD, Nancy Esterly MD
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Synopsis

Cornelia de Lange syndrome is a clinically variable malformation disorder with widespread manifestations. The facial morphology is said to be distinctive in most individuals, characterized by arched or joined bushy eyebrows, long and thick eyelashes, synophrys (joined eyebrows), a short and upturned nose with a broad bridge, diastema (gap between two teeth), and sometimes microbrachycephaly. Mild ptosis is common, and many patients have strabismus, myopia, and nystagmus. Hirsutism with a low hairline is present in the majority of individuals. The lips appear thin, and the mouth opening is crescent shaped. The ears are often low set and rotated posteriorly. The neck may be short, and the hard palate is highly arched and sometimes clefted. Infants with the more severe form often have a characteristic low-pitched cry that disappears in late infancy.

Growth retardation begins prenatally and is present throughout life. Mental development is also delayed in the majority of individuals, and some but not all are mentally retarded. Average IQ is about 53. Seizures occur in about 1 in 4 individuals. Many patients are shy, with few social skills; patients sometimes have behavioral features of autism spectrum disorders. Middle ear infections are frequent and may result in a conductive hearing loss, while other patients have neurosensory hearing loss.

Limb and digital anomalies are common and may be asymmetric. These anomalies most commonly involve the upper limbs, which may be absent or severely reduced. Radioulnar fusion is an important sign. Digits are sometimes missing, but metacarpophalangeal malformations are more common. A shortened first metacarpal results in a proximally positioned thumb. A hypoplastic middle phalanx of the index finger is characteristic but not always present.

Cryptorchidism and hypoplastic genitalia are often present. Urinary infections have been reported in over 40% of patients. Cardiac septal defects and some degree of gastrointestinal dysfunction such as gastric reflux are common.

For more information, see OMIM.

Codes

ICD10CM:
Q87.1 – Congenital malformation syndromes predominantly associated with short stature

SNOMEDCT:
40354009 – De Lange syndrome

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Differential Diagnosis & Pitfalls

The clinical features of Cornelia de Lange syndrome such as growth retardation, infantile hirsutism, and microcephaly are sometimes present in fetal alcohol syndrome, and maternal history should be recorded.

Certain chromosomal aberrations such as duplication of bands 26-27 of the long arms of chromosome 3 and partial deletions of chromosome 2 can also mimic Cornelia de Lange syndrome. High-resolution karyotyping can be helpful in such cases.

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Last Updated: 03/29/2017
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Cornelia de Lange syndrome - Skin
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Cornelia de Lange syndrome : Hypoplastic phalanges, Limb hypoplasia, Self-mutilating behavior, Short stature, Strabismus, Hirsutism
Clinical image of Cornelia de Lange syndrome
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