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词条 RIDDLE syndrome
释义

  1. Clinical

  2. Genetics

  3. Diagnosis

     Differential diagnosis 

  4. Management

  5. Epidemiology

  6. History

  7. References

  8. External links

{{primary sources|date=December 2018}}{{Infobox medical condition (new)
| synonyms = Radiosensitivity-immunodeficiency-dysmorphic features-learning difficulties syndrome
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| caption = Riddle syndrome is inherited in an autosomal recessive pattern.
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RIDDLE syndrome is a rare genetic syndrome. The name is an acronym for Radiosensitivity, ImmunoDeficiency Dysmorphic features and LEarning difficulties.

Clinical

The features of this condition include

  • Facial dysmorphism
  • Short stature
  • Mild motor control and learning difficulties
  • Mild ataxia
  • Microcephaly
  • Normal intelligence
  • Conjunctival telangiectasia
  • Recurrent sinus infections
  • Decreased serum IgA
  • Late onset of pulmonary fibrosis
  • Increased alpha-fetoprotein
  • Increased radiosensitivity

Genetics

This condition is due to mutations in the RNF168 gene. It is inherited in an autosomal recessive fashion.

The gene encodes a ubiquitin ligase and is located on the long arm of chromosome 3 (3q29) on the Crick (minus strand).

Diagnosis

Differential diagnosis

  • Ataxia telangectasia
  • Artemis deficiency
  • Immunodeficiency 26 (PKCS gene deficiency)
  • LIG4 syndrome
  • Nijmegen breakage syndrome
  • Severe combined immunodeficiency with Cernunnos
  • X-linked agammaglobulinemia

Management

{{Empty section|date=January 2018}}

Epidemiology

This condition is rare. Only four cases have been described up to 2017.[1]

History

This syndrome was first described by in Stewart et al. 2007.[2]

References

1. ^{{cite journal|last1=Pietrucha|first1=Barbara|last2=Heropolitańska-Pliszka|first2=Edyta|last3=Geffers|first3=Robert|last4=Enßen|first4=Julia|last5=Wieland|first5=Britta|last6=Bogdanova|first6=Natalia Valerijevna|last7=Dörk|first7=Thilo|title=Clinical and Biological Manifestation of RNF168 Deficiency in Two Polish Siblings|journal=Frontiers in Immunology|date=4 December 2017|volume=8|doi=10.3389/fimmu.2017.01683}}
2. ^Stewart GS, Stankovic T, Byrd PJ, Wechsler T, Miller ES, Huissoon A, Drayson MT, West SC, Elledge SJ, Taylor AM (2007) RIDDLE immunodeficiency syndrome is linked to defects in 53BP1-mediated DNA damage signaling. Proc Natl Acad Sci USA 104(43):16910-16915

External links

{{Medical resources
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| ICD10 = D82.8
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| OMIM = 611943
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| Orphanet = 420741
}}

3 : Rare syndromes|Genetic diseases and disorders|Congenital disorders

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