Korean J Pediatr Gastroenterol Nutr.
2006 Mar;9(1):80-84.
A Case of Isolated Rice Allergy
- Affiliations
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- 1Department of Pediatrics, Keimyung University School of Medicine, Korea. pedgi@korea.com
- 2Department of Pathology, Keimyung University School of Medicine, Korea.
- 3Hyosung Children's Hospital, Daegu, Korea.
- 4Department of Pediatrics, Dongguk University College of Medicine, Gyeongju, Korea.
Abstract
- Rice allergen has low antigenicity, and thus, anaphylactoid reactions to rice are exceedingly rare. We experienced a case of isolated rice allergy in a 5 month-old girl who had been fed a milk formula without incident. However, after feeding a powdered weaning milk formula containing rice, she developed symptoms of projectile vomiting and diarrhea, at this time rice specific antigen tests were all negative. One month later a challenge test was performed using a rice gruel, and her symptoms recurred. Endoscopic and microscopic findings showed hyperemic mucosa in the duodenum and subtotal villous atrophy. Thereafter, she showed no adverse reaction to almost all foods appropriate for her age, but after feeding rice gruel at 10 months, she developed symptoms of cyanosis and vomiting. However, none of the allergic symptoms were demonstrated at 13 months upon repeated challenge test. Currently, she is 28 months old and tolerates all foods including rice.
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