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Alpha-gal syndrome initially misdiagnosed as chronic spontaneous urticaria in a pediatric patient: a case report and review of the literature.
JournalArticle (Originalarbeit in einer wissenschaftlichen Zeitschrift)
 
ID 4664173
Author(s) Bellutti-Enders, Felicitas; Elkuch, Marius; Wörner, Andreas; Scherer-Hofmeier, Kathrin; Hartmann, Karin
Author(s) at UniBasel Hartmann, Karin
Year 2023
Title Alpha-gal syndrome initially misdiagnosed as chronic spontaneous urticaria in a pediatric patient: a case report and review of the literature.
Journal Journal of Medical Case Reports
Volume 17
Number 1
Pages / Article-Number 6
Keywords Alpha-gal syndrome; Case report; Children
Mesh terms Male; Adult; Humans; Child; Child, Preschool; Food Hypersensitivity, complications, diagnosis; Urticaria, diagnosis, complications; Chronic Urticaria, complications; Immunoglobulin E; Diagnostic Errors
Abstract

Delayed allergy to red meat, also termed alpha-gal syndrome, is increasingly reported in adults and African communities, while pediatric cases remain rare.; Here, we report on a 7-year-old Caucasian boy presenting with recurrent wheals since the age of 5 years old. Episodes with hives occurred around every 3 weeks, mainly in the evening. One of these episodes was also associated with angioedema. No clear trigger was identified. At the first visit, after excluding an infection and autoimmune thyroiditis, chronic spontaneous urticaria was suspected and symptomatic treatment with antihistamines was prescribed. Six months later, the boy presented at the emergency room with generalized urticaria, dyspnoea, and emesis. Symptoms resolved after administration of epinephrine and antihistamines. A detailed medical history after this event revealed that he had eaten three sausages as well as jelly beans containing gelatine several hours prior to this episode. More precisely, after eating the sausages and jelly beans during the day, he had shown some hives before going to bed, and later developed the other symptoms in the middle of the night, suggesting alpha-gal syndrome. In his history, several tick bites are reported. Immunoglobulin E levels for alpha-gal were clearly elevated, confirming the diagnosis of a delayed-appearing immunoglobulin E-mediated allergic reaction to alpha-gal. Emergency medication was prescribed and avoidance of red meat and gelatine-containing foods was recommended. Under this exclusion diet, the boy remained asymptomatic, with the exception of two accidents in the follow up of 3 years, one developing during a barbecue and the second after exceptionally eating marshmallows.; A detailed clinical history led to the diagnosis of alpha-gal syndrome. Although alpha-gal syndrome is typically seen in adults, our case illustrates that children can also present with this potentially life-threatening allergy. Since alpha-gal syndrome is rare in Europe, the disease is not well known and often overlooked for several years, especially in children.

ISSN/ISBN 1752-1947
Full Text on edoc
Digital Object Identifier DOI 10.1186/s13256-022-03718-8
PubMed ID http://www.ncbi.nlm.nih.gov/pubmed/36611183
   

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