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Start free with EleplanCombined immunodeficiency due to ITK deficiency
ORPHA:538963Disease
Also called Autosomal recessive lymphoproliferative disease due to ITK deficiency · ITK deficiency
What it is
A rare autosomal recessive primary immunodeficiency characterized by susceptibility to Epstein-Barr virus (EBV)-associated lymphoproliferative disorders such as malignant B-cell proliferation, Hodgkin lymphoma, B-cell lymphoma, lymphoid granulomatosis, hemophagocytic lymphohistiocytosis, and smooth muscle tumor. Patients present persistent symptoms of infectious mononucleosis including recurrent febrile episodes, lymphadenopathies, and hepatosplenomegaly, accompanied by high EBV viral load in the blood. Additional manifestations are autoimmune diseases like hemolytic anemia or renal disease.
Key facts
- Prevalence
- <1 / 1 000 000
- Age of onset
- Adolescent, Childhood
- Inheritance
- Autosomal recessive
- Classified as
- Disease
Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.
Gene
ICD-10 codes
ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.
Cross-references
Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.
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