Physics:Asymmetric crying facies

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Asymmetric crying facies
Other namesCayler cardiofacial syndrome; partial unilateral facial paresis; hypoplasia of depressor angula oris muscle

Asymmetric crying facies (ACF), also called Cayler cardiofacial syndrome, partial unilateral facial paresis and hypoplasia of depressor angula oris muscle,[1] is a minor congenital anomaly caused by agenesis or hypoplasia of the depressor anguli oris muscle, one of the muscles that control the movements of the lower lip. This unilateral facial weakness is first noticed when the infant cries or smiles, affecting only one corner of the mouth and occurs on the left side in nearly 80% of cases.

When the hypoplasia of the depressor anguli oris muscle is associated with congenital cardiac defects, the term 'Cayler cardiofacial syndrome' is used. Cayler syndrome is part of 22q11.2 deletion syndrome.[2] It was characterized by Cayler in 1969.[3]

References

  1. ↑ Online Mendelian Inheritance in Man (OMIM) 125520
  2. ↑ "Vasomotor instability in neonates with chromosome 22q11 deletion syndrome". American Journal of Medical Genetics 121A (3): 231–4. September 2003. doi:10.1002/ajmg.a.20219. PMID 12923863. 
  3. ↑ Cayler GG (1969). "Cardiofacial syndrome. Congenital heart disease and facial weakness, a hitherto unrecognized association". Arch Dis Child 44 (233): 69–75. doi:10.1136/adc.44.233.69. PMID 5765991. 
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