PMC8565693_01
UGI endoscopy showing scalloping of mucosal folds in D2
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Upper GI endoscopy revealed scalloping of mucosal folds in second part of duodenum (Figure 1).
Histopathological examination: increased intraepithelial lymphocytes, cryptal hyperplasia and loss of villi (a: HE, x50; b: HE, x100).
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