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Published on: July 12, 2013
Hyper-IgM syndrome with CHARGE association
Pilar Bahillo1, Teresa Cantero, Pilar Solís
1Department of Pediatrics, Hospital Clínico, University of Valladolid, Valladolid, Spain.
Insights
This report details the first case of CHARGE association and hyper-IgM (HIM) syndrome co-occurring in a single patient. The patient showed immune deficiencies and genetic results were normal, suggesting a potential link.
Area of Science:
- Pediatric genetics
- Immunology
- Rare disease research
Background:
- CHARGE association is a rare genetic disorder with diverse symptoms.
- Hyper-IgM (HIM) syndrome is an immunodeficiency characterized by specific immunoglobulin level abnormalities.
Observation:
- A pediatric patient diagnosed with CHARGE association presented with recurrent otitis and septicemia.
- Immunological evaluation revealed decreased IgG and IgA, increased IgM, and normal cellular immunity, consistent with HIM syndrome.
Findings:
- Genetic sequencing for CD40 ligand and cytidine deaminase genes in the patient yielded normal results.
- The patient responded well to intravenous immunoglobulin therapy.
Implications:
- This case highlights the potential co-occurrence of CHARGE association and HIM syndrome.
- Further research is needed to elucidate the underlying mechanisms and potential non-random association between these two conditions.
Abstract:
A girl with coloboma of the iris, sensorineural deafness, growth delay, distinctive face, and cranial nerve dysfunction was diagnosed of CHARGE association in the first year of life. She presented with repeated otitis. At 3 yr of age, the patient suffered a septicemia (Streptococcus pneumoniae, Corynebacterium sp.). The immunoglobulin G (IgG) and IgA serum levels were decreased, IgM increased and cellular immunity parameters were normal, supporting the diagnosis of hyper-IgM (HIM) syndrome. The sequence of CD40 ligand and cytidine deaminase genes were normal. From then on, she was receiving immunoglobulin intravenously with an excellent outcome. Here, we report the first case of CHARGE association and HIM syndrome in the same patient. Although the cause could not be identified, a non-random link is likely.
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