Clinical laboratory · 2019
An Extremely High IgA Value in a Young Child.
Клинический случайСтатьяНазвание и аннотация: Перевод пока не подготовлен
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Schrapp Aurélien, Brossard Charles, Valéry Brunel, Claeyssens Sophie
Аннотация
BACKGROUND: Hyper-IgA is not a rare finding in children although its causes are less reported than hypergamma-globulinemia in other classes of immunoglobulin. However, an isolated hyper-IgA might play a role as a diagnostic marker, in particular in children with an incomplete clinical picture at disease onset.
RESULTS: We reported the case of a 3-year-old girl hospitalized for acute abdominal symptoms and suspicion of ruptured appendicitis. She presented severe inflammatory syndrome and her medical history related recurrent fever episodes. Serum immunoglobulin analysis was not in favor of an infection; indeed, IgA concentration alone increased and reached a surprising extremely high value in a young child (17-fold of the upper reference value).
CONCLUSIONS: This case highlights the potential clinical significance of an isolated hyper-IgA that is known to be mostly found in serious diseases in children; it might contribute to reduce the delay in diagnosis and treatment of hyperimmunoglobulinemia D syndrome, an autoinflammatory disease.
RESULTS: We reported the case of a 3-year-old girl hospitalized for acute abdominal symptoms and suspicion of ruptured appendicitis. She presented severe inflammatory syndrome and her medical history related recurrent fever episodes. Serum immunoglobulin analysis was not in favor of an infection; indeed, IgA concentration alone increased and reached a surprising extremely high value in a young child (17-fold of the upper reference value).
CONCLUSIONS: This case highlights the potential clinical significance of an isolated hyper-IgA that is known to be mostly found in serious diseases in children; it might contribute to reduce the delay in diagnosis and treatment of hyperimmunoglobulinemia D syndrome, an autoinflammatory disease.