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IL21-related infantile inflammatory bowel disease

Disease definition

A rare autosomal recessive primary immunodeficiency characterized by infancy onset of severe inflammatory bowel disease with life-threatening diarrhea and failure to thrive, oral aphthous ulcers, and recurrent severe upper and lower respiratory tract infections with finger clubbing. Laboratory examination reveals increased IgE and decreased IgG levels, as well as reduced numbers of circulating CD19+ B-cells including IgM+ naive and class-switched IgG memory B-cells, with a concomitant increase in transitional B-cells, while T-cell numbers and function are normal.

ORPHA:477661

Classification level: Disorder
  • Synonym(s):
    • IL21-related infantile IBD
  • Prevalence: <1 / 1 000 000
  • Inheritance: Autosomal recessive 
  • Age of onset: Infancy
  • ICD-10: D84.8
  • OMIM: 615767
  • UMLS: C5567788
  • MeSH: -
  • GARD: -
  • MedDRA: -

  A summary on this disease is available in Deutsch (2020) Español (2020) Français (2020) Nederlands (2020)

Detailed information

Guidelines

ERN produced/endorsed by ERN(s)   FSMR produced/endorsed by FSMR(s)

Additional information

Further information on this disease

Patient-centred resources for this disease

Research activities on this disease

Specialised Social Services

The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.