Erythematous Duodenopathy: Biopsy Indications & Diagnostic Yield
Erythematous duodenopathy = endoscopic finding of mucosal erythema in duodenum.
Biopsy Indications
- Confirm histologic inflammation (vs. physiological redness)
- Rule out H. pylori, celiac disease, Crohn's, eosinophilic gastroenteritis, lymphoma
- Assess activity/severity for treatment decisions
Procedure
Cold forceps biopsies (2–4) from affected and normal-appearing mucosa.
Histology guides therapy: gluten-free diet (celiac), eradication (H. pylori), immunosuppression (Crohn's/eosinophilic).
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