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[Allergic colitis: clinical and morphological aspects in infants with rectal bleeding]
Norys Josefina Diaz1, Francy Silva Patricio, Ulysses Fagundes-Neto
1Departamento de Pediatria, Universidade Federal de São Paulo, Brasil. norysdiaz10@hotmail.com
Arquivos De Gastroenterologia
|July 19, 2003
Summary
Eosinophilic infiltration in the rectal mucosa is a key indicator for diagnosing allergic colitis in infants under six months experiencing rectal bleeding. This finding aids in identifying cow
Area of Science:
- Pediatric Gastroenterology
- Allergology
- Immunology
Context:
- Allergic colitis is increasingly recognized in infants.
- Rectal bleeding is a common symptom requiring accurate diagnosis.
- Cow's milk allergy is a frequent trigger in this age group.
Purpose:
- To prospectively investigate clinical features of infants diagnosed with cow's milk allergy.
- To characterize morphological abnormalities of the rectal mucosa in these patients.
- To compare rectal mucosa findings with a control group.
Summary:
- A study of 20 infants under six months with suspected cow's milk allergy and rectal bleeding was conducted.
- The primary morphological finding was significant eosinophilic infiltration in the rectal mucosa in 18 patients.
- This eosinophilic infiltration was statistically different compared to a control group.
Impact:
- Identifies increased rectal eosinophils as a crucial diagnostic marker for allergic colitis in infants.
- Provides evidence supporting endoscopic and histological evaluation for diagnosing infant allergic colitis.
- Contributes to a better understanding of the pathophysiology of cow's milk allergy in early infancy.