- Poster presentation
- Open Access
Hiper IgD syndrome (HIDS): clinical and genetic features in five patients
© Marco et al; licensee BioMed Central Ltd. 2008
- Published: 15 September 2008
- Cervical Lymphadenopathy
- Election Treatment
- Autoinflammatory Disease
- Mutation I268T
The Hiper-IgD Syndrome (HIDS) is an autoinflammatory disease characterized by recurrent febrile episodes each 4–8 weeks accompanied by an intense inflammatory reaction, lymphadenopathy, abdominal pain, diarrhea, arthralgias, hepatosplenomegaly and cutaneous signs . Mutations in the gene that codifies the enzyme mevalonate kinase (MVK), located in the chromosome 12q24, have been demonstrated to be the cause of this syndrome .
We describe the clinical and genetic findings of three families (five patients) with diagnosis of HIDS and confirmed mutational analysis.
We present a retrospective analysis of the patients and its genealogical tree. The mutational analysis was made by the service of Inmunology of the Hospital Clínic of Barcelona.
Clinically the five patients presented the typical symptomatology with recurrent febrile episodes, intense abdominal pain (a case required several exploratory laparotomies), cervical lymphadenopathy, diarrhea and hepatosplenomegaly. One of the patients presented a chilotorax that resolved after discarding amiloidosis and initiating treatment. In all cases mutations I268T or V377I were detected. In two of the families, the parents demonstrated to be heterozygote carriers of one of the two found mutations.
All the patients have required steroids to high doses, nevertheless, three of the cases have developed steroid dependency with necessity of biological treatment with Anakinra, a recombinant, nonglycosylated synthetic form of the human interleukin-1 receptor antagonist (IL-1Ra), Kineret®) that in last publications has demonstrated to be the election treatment since the Hiper IgD Syndrome is part of the autoinflammatory diseases in whose common pathogenic mechanism the IL-1 takes part.
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