Lujan Fryns syndrome (LFS)

Written and reviewed by Dr Ibrahim Imam, Consultant Neurologist. Last reviewed .

Lujan Fryns syndrome (LFS). This is caused by mutations in the MED12 gene on chromosome Xq. Fully referenced neurology checklist.

Genetics

  • This is caused by mutations in the MED12 gene on chromosome Xq
  • The transmission is X-linked recessive

Related MED12 disorders

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Dysmorphic features

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Neurological features

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Behavioural features

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Skeletal features

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Other features

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Differential diagnosis

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Synonyms

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References

  1. Van Buggenhout G, Fryns JP. Lujan-Fryns syndrome (mental retardation, X-linked, marfanoid habitus). Orphanet J Rare Dis 2006; 1:26. 
  2. Graham JM Jr, Schwartz CE. MED12 related disorders. Am J Med Genet A 2013; 161A:2734-2740.
  3. Hunter JM, Kiefer J, Balak CD, et al. Review of X-linked syndromes with arthrogryposis or early contractures-aid to diagnosis and pathway identification. Am J Med Genet A 2015; 167A:931-973.
  4. Khan A, Humayun M, Haider I, Ayub M. Lujan-Fryns syndrome (LFS): a unique combination of hypernasality, marfanoid body habitus, and neuropsychiatric issues, presenting as acute-onset dysphagia. Clin Med Insights Case Rep 2016; 9:115-118.

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